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1Organized in the order of appearance. Citation(s) would be appreciated.
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4[[foldercontrol]]
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6[[folder:In the Manga]]
7* [[DepartmentOfRedundancyDepartment Dokuro Skull]] asks for a ''Billy's Bootcamp'' DVD as a souvenir. (chapter 1, p.3)
8* Keima, [[Anime/CodeGeass the ultimate]] [[TheStrategist Strategist]] with [[AGodAmI god]]-[[Manga/DeathNote like]] tendencies. (chapter 1, p.12 & p.14)
9** Keima's outfit has ''got'' to be a shout-out to ''Film/AustinPowers''. Wonder if he has bad teeth?
10* [[VisualNovel/ToHeart Multi]] and [[VisualNovel/FateStayNight Saber]] are two of the 2D girls Keima mentions while ranting about girls in real-life. (chapter 1, p.13)
11* When Keima states that he's the "[[AGodAmI God of the Game World]]" (chapter 1, p.14), the image he uses is based on the 19th century painting of ''[[http://en.wikipedia.org/wiki/Jupiter_and_Thetis_%28Ingres%29 Jupiter and Thetis]]'' by Jean Auguste Dominique Ingres. [[spoiler:This planted more than a few EpilepticTrees when the Jupiter sisters showed up.]]
12* [[Literature/BattleRoyale So the collars will explode if one of the partners dies, huh...]] (chapter 1, p.29)
13* An unintentional one that becomes harsher in hindsight. There was a quote that sent me into despair at the thought: "A girl who is a member of the track-and-field club definitely must have her hair tied up!! [[Anime/PuellaMagiMadokaMagica Don't you know that the girl's soul stays in that tie which holds the hair."]] (chapter 1, p.32)
14* The classmates' laughter and the ArtShift involved is a shout-out to ''ComicStrip/{{Peanuts}}''. (chapter 2, p.5)
15* BMW - Imouto metaphor. Specific model featured is a E63 model 6-series. (chapter 2, p.13)
16* In the top-left panel, Elsie is singing "lun lun, lululu, lun lun (ルンルン ルルル ルンルン)". It's the opening phrase of the anime song for ''Anime/TheStoryOfPerrine''. [[https://www.youtube.com/watch?v=eUZNYcptGro Hear it for yourself.]] (chapter 2, p.20)
17* Keima is playing a galge in the middle of class as usual, but if you pay attention to the text that comes out of his headphones, you'll notice he's playing ''VisualNovel/SchoolDays''. (Chapter 3, p.2)
18* The two girls shown on the top panel are Elchi Cargo (middle) and Rag Urao (right) from ''[[Anime/{{Xabungle}} Combat Mecha Xabungle]]''. (chapter 4, p.13)
19* A [[Anime/MobileSuitGundam Zaku head]], an [[Manga/GalaxyExpress999 interstellar locomotive]], and lastly a pumpkin carriage for our ''{{Tsundere}}''[[Literature/{{Cinderella}} lla.]] (chapter 4, p.13-14 & chapter 5, p.2-3)
20* The cover of chapter 6 is an allusion to Edward Burne-Jones' painting, ''[[http://en.wikipedia.org/wiki/File:Edward_Burne-Jones_The_Golden_Stairs.jpg The Golden Stairs]]''. (chapter 6, p.1)
21* Elsie singing "My, my, ''kare'' is (わたしのカレーは)" is a pun/allusion to Asaoka Megumi's song, "''Watashi no Kare wa Hidarikiki'' (私の彼は左利き)". Here, "''kare''" is a homophone that can either be the informal Japanese pronoun "boyfriend" or "curry" in Japanese. (chapter 6, p.2)
22* Dying(?) from Capturing God Mode, Keima states "This is a blood-stained road after all... (所詮血塗られた道...)". This line is from Kushana in ''Manga/NausicaaOfTheValleyOfTheWind''. (chapter 6, p.11)
23* [[VisualNovel/TokimekiMemorial Fujisaki Shiori]], [[VisualNovel/FateStayNight Saber]], [[VisualNovel/{{Tsukihime}} Kohaku]], [[VideoGame/TheIdolMaster Hoshii Miki & Miura Azusa]] to name a few of the girls on the last page of Keima's dream. Here is the [[http://img710.imageshack.us/img710/77/20091110732832eng.jpg full version.]] (chapter 6, p.16)
24* The former singer/idol wife of Creator/KenAkamatsu (of ''Manga/LoveHina'' fame) is named Kanon. (Chapter 7-present)
25* Keima's [[PuttingOnTheReich uniform]], the [[UsefulNotes/AdolfHitler Roman salute]] and [[NoSwastikas D-pad]] flags to promote The Game Idol's Era. (chapter 7, p.4)
26* The final comment in chapter 9: "is Kanon's real identity [[Literature/HaruhiSuzumiya alien, time traveler or slider]]?" (chapter 9, p.18)
27* Invisible Kanon's descent is a shout-out to ''Anime/GhostInTheShell''. (chapter 10, p.3)
28* Manga/{{Doraemon}}, Literature/HaruhiSuzumiya, and [[Manga/GalaxyExpress999 Maetel]] are the characters on the background. (chapter 11, p.4)
29* Elsie is magically speed-growing some hell strawberries [[Anime/MyNeighborTotoro with an umbrella]]. (chapter 11, p.13)
30* Keima sings "[[Music/TheBeatles Let It Be!!]]" with a piano out of [[{{Hammerspace}} nowhere.]] (chapter 12, p.9)
31* Kodama-sensei (in drill instructor uniform): "What's wrong...... That Billy guy [Billy Blanks] can run 20 laps more...." (chapter 12, p.10)
32* Elsie's drawing is a reference to the arrival of Commodore Matthew Perry's four [[http://en.wikipedia.org/wiki/Black_Ships Black Ships]] on July 14, 1853 at Uraga Harbor in Kanagawa Prefecture, Japan. (chapter 13, p.3)
33** The text on Keima's right, "上喜撰 / たった四杯で / 夜も眠れず", is an excerpt from a famous kyoka. The "''jōkisen''" here is read the same as "steam-powered ships" and ''shihai'' can also mean "four vessels". Thus, the reference. (chapter 13, p.3)
34* The ad "○ki hatsuratsu!! (○気ハツラツ!!)" is a direct parody of Oronamin C's slogan/ad, with the initial spokesperson of the campaign Kon Omura. (chapter 13, p.12)
35* [[Manga/LuckyStar "I'm telling you Lucky Star—"]] "Oh be quiet—" (chapter 15, p.2)
36* Keima-Manga/BlackJack with reverse seams. (chapter 15, p.9)
37* Elsie with [[Anime/TengenToppaGurrenLagann drills]]. (chapter 16, p.7)
38** Done again by Haqua during the Goddess Capture Arc. (chapter 128, p.2)
39*** A little tidbit: The background on the title for the said chapter resembles a widened Core Drill without the handle.
40* The three delinquents from Seikesshou Albatross. On a side note, it's a manga series, also by Tamiki Wakaki, making it a MythologyGag as well. (chapter 18, p.7)
41* Sasuke is a Japanese soft drink introduced in 1984. Not to be confused with some emo ninja. (chapter 20, p.4)
42* Keima-[[Franchise/{{Pokemon}} Pikachu]] is both cute and strong. (chapter 21, p.9)
43* In the bottom-left of the fifth panel, cameos of Yukiko Mamiya and Noriko Momoi from ''Anime/EsperMami'' can be seen. (chapter 23, p.4)
44* Keima's explanation of escaped spirits uses [[Franchise/SuperMarioBros Boos]] to represent the spirits. (chapter 24, p.4)
45* [[Manga/Touch1981 "Ac-chan···!! Please take Minami to the Koshien Stadium···!!"]] (chapter 24, p.9)
46* The escaped spirit looks like a [[YouCannotGraspTheTrueForm certain]] [[VideoGame/EarthBound1994 boss]] (chapter 24, p.18)
47* Keima is seen [[Literature/TheFourGospels dragging a cross on his back.]] (chapter 27, p.2)
48* Katsuragi {{art shift}}s into 10th century Buddhist Monk [[http://japanesesymbolsofpresence.com/images/image8.jpg Kuya Shonin.]] (chapter 28, p.4)
49* To the number of escaped spirits left on earth, Keima complains: "With a task like this, normally, you only need about [[Manga/DragonBall 7 pieces.]] Imagine [[ImpossibleTask 60,000]] [[Manga/DragonBall D-gonballs!!]]" (chapter 28, p.5)
50* Keima seems to be learning a few stunts from a [[Manga/OnePiece certain skeleton]]. (chapter 28, p.8)
51* [[ComicStrip/{{Peanuts}} Keima-Snoopy]] refuses to capture a certain target. (chapter 28, p.13)
52* Keima is transformed into a cockroach, and he quotes ''Literature/TheMetamorphosis''. (chapter 29, p.12)
53* RUN! IT'S [[Franchise/{{Godzilla}} KEIMA-ZILLA]]! (chapter 30, p.9)
54* Keima explains the power of analyzing situations [[spoiler:to Chihiro]] with a bit of BulletHell. (chapter 30, p.14)
55* The enclosed octagons on Chihiro's umbrella form the pattern of the [[Anime/NeonGenesisEvangelion Absolute Terror Field]]. (chapter 32, p.10)
56* The [[strike: [[Anime/MobileSuitGundamCharsCounterattack Axis]]]] 3D is intercepted by [[strike: [[Anime/MobileSuitGundamCharsCounterattack Londo Bell]]]] 2D girls in the third panel. (chapter 33, p.10)
57** [[Anime/MobileSuitGundamCharsCounterattack "Beyond The Time"]] [[http://blog.wakakitamiki.coolblog.jp/?day=20081213 as BGM, please.]]
58* The inverted logo of [[Platform/SegaDreamcast Dreamcast]] on Keima's mask. (chapter 33, p.16)
59* "[[LampshadeHanging As usual, this mart feels like zombies are going to haunt—]]" (chapter 34, p.8)
60** The name of the mart contains the word "INAZUMA", the alternate name for Satou Shouji, the artist for ''Manga/HighSchoolOfTheDead''.
61* Captain Bright from the [[Anime/MobileSuitGundam original Gundam]] series, working as a galge developer. (chapter 35, p.14)
62* The person Jun admires is Jumbo Tsuruma, taken from the real Japanese wrestler Wrestling/JumboTsuruta (chapter 36, p.4)
63* Keima is imitating Franchise/SherlockHolmes' manner of speech and "Elsea-kun" is a reference to [[TheWatson Dr. John Watson.]] (chapter 37, p.3)
64* The explanation of the relationship between teacher and student, illustrated with the arcade game VideoGame/DonkeyKong. (chapter 37, p.11)
65* The hell bureaucracy had [[Anime/NeonGenesisEvangelion that... board-like thing]]. (chapter 42, p.2)
66** They even had an inverted iPod in the meeting. (chapter 42, p.3)
67* Keima-[[FrankensteinsMonster Adam]] with the broom. (chapter 42, p.6)
68* Chihiro references [[http://en.wikipedia.org/wiki/Riki_Takeuchi Riki Takeuchi]] in her conversation. This doesn't appear in the scanlation. (chapter 42, p.8)
69* Chihiro-Manga/{{Nana}} sings the song she wrote about the "bittersweet feeling of love". (chapter 42, p.9)
70* "No," says Keima-[[Anime/CrayonShinChan Shinnosuke]]. (chapter 43, p.12)
71* Keima, who is in [[TroubledFetalPosition withdrawal]] after Tsukiyo laughs at Yokkyun, is facing a familiar [[Anime/NeonGenesisEvangelion mecha]] with [[AppliedPhlebotinum LCL]] in the background. (chapter 43, p.13)
72* [[Manga/RozenMaiden Shinku,]] is that you? (chapter 44, p.11)
73* In the non-bonus [[{{Yonkoma}} 4-koma]], Tsukiyo comments that she might be able to take a milk bath with her shrunken size, to which Keima responds, [[Manga/{{Doraemon}} "Who are you, Shizuka-chan?"]] (chapter 45, p.6)
74** The title of this strip is also [[Anime/TheAdventuresOfMiniGoddess "Being Small is Convenient"]].
75* [[http://en.wikipedia.org/wiki/Sunset_on_Third_Street "A board game...? Your pastimes are on par with Sunset on Third Street."]] (chapter 47, p.6)
76* [[Film/MysteryMen A certain bowling ball]] next to Haqua. (chapter 48, p.1)
77* [[VideoGame/DeadOrAlive Ayane]] as one of the Miss Fan's Healthy Tai-Chi instructors. (chapter 48, p.3)
78* [[Manga/DoctorSlump Arale Norimaki's Angel Wings Hat,]] with the letters replaced, alongside Yukie calling Hakua "Hac-chan". (chapter 48, p.4)
79* Keima as Shigeo Takahashi from the Japanese comedy duo ''Savanna'' (サバンナ). (chapter 48, p.8)
80* The two-piece cross pendant from one of Honda Keiko's works on the last panel. [[http://blog.wakakitamiki.coolblog.jp/?day=20090427 Confirmed by the author here.]] (chapter 49, p.11)
81* Minami's AnnoyingYoungerSibling using [[Series/KamenRiderRyuki Kamen Rider Zolda's]] belt and gun. (chapter 52, p.5)
82* Wait a minute, isn't that ''Music/{{Revolver|Beatles Album}}'' by Music/TheBeatles? (chapter 54, p.1)
83* [[Manga/KOn A poster of a girl]] playing bass, with the letters "[Kei]on! ([けい]おん!)" visible on the bottom. (chapter 54, p.2)
84** In the second panel, [[Manga/{{Doraemon}} Giant]] appears to illustrate just how bad the girls' music is. (chapter 54, p.4)
85** After pulling names from a tissue box, Ayumi accuses Chihiro of cheating, which Chihiro rejects with a face like Manga/{{Kaiji}}'s. This is a reference to Manga/{{Kaiji}} in the Tissue Box Raffle, where he did cheat in the game. (chapter 54, p.5)
86** The four girls on a crosswalk? It's from the [[AbbeyRoadCrossing album cover]] of ''Music/AbbeyRoad''. (chapter 54, p.6)
87** The girls try to start a light music club. Where'd they get the idea? From watching ''Manga/KOn'', of course. (chapter 54, p.7)
88** Kodama also mentions that he cannot recognize such groups as the [[TabletopGame/YuGiOh Card-Battling Club]] or the [[Manga/{{Genshiken}} Voice Actor Studies Club]]. (chapter 54, p.8)
89** Also for VideoGame/SengokuBasara in the scene where they get permission for the club. (chapter 55, p.16)
90* Keima-[[Franchise/SuperMarioBros Mario]] and 1UP (chapter 57, p.4)
91* TOYOTA - Osananajimi metaphor. (chapter 57, p.14)
92** "Drive Your Dreams." is one of [[http://en.wikipedia.org/wiki/Toyota Toyota Motor Corporation's]] slogans.
93** The specific model is the one-off 2000GT roadster built specifically for ''Film/YouOnlyLiveTwice'' (the 2000GT is only available to the public in coupe form).
94** Keima's explanation of what a childhood friend is suppose to be like. Anyone's who's played the first VisualNovel/TokimekiMemorial will know that that's the basic setup for main heroine and childhood friend Fujisaki Shiori.
95* What do you give to a woman with no lover? [[Manga/BoysOverFlowers The F4!]] (chapter 59, p.12)
96* [[Literature/WheresWally Where's Keima?]] Oh, there you are! Hmm? What's with that red-and-white striped shirt and that bobble hat? (chapter 61, p.5)
97* A shout-out to the cover of the ''Anime/SummerWars'' [[http://ec2.images-amazon.com/images/I/61ASLBNBoKL._SS500_.jpg light novel]]. (chapter 66, p.1)
98* The [[VisualNovel/ToHeart picture]] on one of the bowls Katsuragi Denma crafted... (chapter 66, p.7)
99* "You can say it's quiet, but... [[http://en.wikipedia.org/wiki/Shiki_%28manga%29 the countryside is its people. Without the people, traditions also die out.... It's like cleaning up the charred remains of a mansion, burnt down at the end of a serial killer streak, by a stranger who took advantage of the dispute between the head and branch families, or was set ablaze on a whim by someone like a resident with a strong dialect, or eventually someone like a suspicious shinto priest and a miko...]] Who'll clean it up?" (chapter 66, p.11)
100* Keima's somniloquy: "[[VisualNovel/HigurashiWhenTheyCry Another ending... The party got wiped out]]." (chapter 66, p.15)
101* The omake for volume 7 includes Diana claiming to have once "split the sea" and "control the weather" much like a certain [[Literature/TheBible biblical]] [[Literature/BookOfExodus patriarch a.k.a Moses]]. (chapter 66.5)
102* The [[http://images-jp.amazon.com/images/P/4091222668.09.LZZZZZZZ.jpg front cover of vol. 8]] is an allusion to Creator/RaphaelSanzio's painting, "Art/TheSchoolOfAthens". Observe the pattern of the vault on the background of the painting and cover. Also, the three Keimas represent Creator/{{Plato}} (pointing upwards), Creator/{{Aristotle}} (palm facing the ground), and Heraclitus (head leaning on the hand).
103* An elder with [[AffectionateParody 100+40 years]] of experience in ramen teaches a stranger (Elsie) how to properly appreciate a bowl of ramen... Then, it's revealed that Elsie was actually reading it off a ramen guide, just like in the movie ''Film/{{Tampopo}}''. (chapter 69, p.2) Sumire is the name of a flower, like Tampopo, and the [[spoiler:store's name]] changes to its owner's later on. (chapter 72, p.3)
104* The logo of Chinese restaurant ''Hanamura'' (ハマムラ) parodied in the fourth panel. (chapter 69, p.10)
105* The pig face is common in ''Manga/BlackJack'' (chapter 71, p.3).
106* Plea~sed to~ meet you~ I am a [[Franchise/{{Pokemon}} Voltorb]]~~ (chapter 71, p.4)
107* Tenri's western clothing is from the schoolteacher Clara Clayton in ''Film/BackToTheFuturePartIII''. (chapter 73, p.1)
108* Tenri and Nora as [[Franchise/SuperMarioBros Hammer]] [[strike: Brothers]] [[Franchise/SuperMarioBros Sisters,]] Airi as [[Franchise/SuperMarioBros Lakitu,]] and Sumire as [[Franchise/SuperMarioBros Blooper]] on Keima's illustration. Additionally, the VideoGame/{{Arkanoid}} reference on the same page. (chapter 73, p.3)
109* I'm pretty sure this robot is a shout out to some manga (chapter 73, p.6)
110* How Keima walks in on Hakua is a parody of a scene from VisualNovel/Shuffle!. Here's the [[https://www.youtube.com/watch?v=oA2qRDVGJjc anime verson.]] (chapter 73, p.8)
111* Kobayakawa Rinko of ''VideoGame/LovePlus''. Judging from the screen, it appears the PFP has a built-in microphone. (chapter 74, p.17)
112* The initial part of the imagination sequence is a reference to ''Literature/{{Heidi}}'' (chapter 75, p.7)
113* In a political debate at the United States Capitol, "[[UsefulNotes/BarackObama YES WE CAN]]" is written on the lectern. (chapter 75, p.7)
114* The entirety of the [[Anime/MobileSuitGundam original Gundam series]] gets played out in Keima's intergalactic war between the single- and multi-heroine armies, right down to Char and Amuro's climatic sword fight. (chapter 75, p.10-14)
115** The year also corresponds with the timeline in the [[AlternativeCalendar Universal Century.]] (chapter 75, p.11)
116** The key-shape of [[Anime/MobileSuitGundam A Baoa Qu]] is an allusion to [[Creator/{{Aquaplus}} Leaf]] and [[Creator/KeyVisualArts Key.]] (chapter 75, p.11)
117* One of Zero's poses from Anime/CodeGeass, played by Keima. (chapter 77, p.7)
118* [[Manga/DeathNote Near's]] Franchise/{{LEGO}} [[Manga/DeathNote minifigs]] used to illustrate Keima's 3-step plan for capturing [[spoiler:Nanaka Haibara]]. (chapter 78, p.1)
119* ''Manga/SaintSeiya'' style shogi battle between Diana and Keima. (chapter 78, p.3)
120* Keima questions how a [[VideoGame/PacMan retro game]] has any connection with shogi. (chapter 78, p.11)
121* Umm... Okaa-sama, was that [[Manga/FistOfTheNorthStar Hokuto Hyakuretsu Ken?]] (chapter 83, p.8)
122* Soaring high... Keima is the [[Literature/TheBible Tower of Babel.]] (chapter 86, p.12)
123* The [[Literature/TheBible Ivory Tower]]... A world of intellectuals... (chapter 86, p.16)
124* "GodIsDead." our ''Otoshi-kami'' [[http://img297.imageshack.us/img297/8151/88984008.jpg decried.]] (chapter 86, p.17)
125* The [[http://ec2.images-amazon.com/images/I/516ww1tW7HL._SL500_AA300_.jpg front cover of vol. 10]] is a shout-out to the [[http://en.wikipedia.org/wiki/The_Return_of_Godzilla poster]] of ''Film/TheReturnOfGodzilla''.
126* "The further away you are from each other, the stronger your feelings will become. It's like a Choro-Q love!!" (chapter 88, p.5)
127* When a Soul Level 4 Weiss appears, it spells: ''[[Manga/DGrayMan BIG TROUBLE]]''. (chapter 89, p.5)
128* Ayumi and Chihiro perform a [[Manga/{{Kinnikuman}} Cross Bomber]] on Keima. Note how his glasses are knocked off. Then they mercilessly stomp him with insults. Just look at them go. (chapter 89, p.13)
129* Hinoki encourages Keima, [[http://en.wikipedia.org/wiki/William_S._Clark "Boys, be ambitious!!"]] (chapter 91, p.16)
130* Keima drawn with Creator/PabloPicasso's surrealistic gusto from "Art/{{Guernica}}". (chapter 92, p.2)
131* Reappearance of Keima-Takahashi. (chapter 92, p.12)
132* Intentional or not, but when a character shouts "Urusai, urusai, urusai!!", it reminds you of that [[Literature/ShakuganNoShana red-haired loli.]] (chapter 92, p.13)
133* Elsie is watching [[HumongousMecha Magnum Robo Gashigo]] on the TV. (chapter 93, p.4)
134** A {{pastiche}} of classic 70s [[HumongousMecha mecha]] anime: The mock title identical to "Magne Robo Gakeen", RocketPunch from Anime/MazingerZ, and who knows how many others.
135* You know you heard it when you saw it... "[[Franchise/KamenRider Rider Kick]]!!" (chapter 93, p.12)
136* The chapter cover is from Shinkenzemi, an online study course. (chapter 94, p.1)
137* The opening song lyrics are from the [[http://en.wikipedia.org/wiki/Assemble_Insert Kougaman]] anime segment, which features cameos from Kyokyoku Chojin R. (chapter 94, p.4)
138* The two mascots are from Ponkickies, while the background is a homage shot to the SF anime genre. (chapter 94, p.5)
139* Keima's face when he throws the letter is the face of [[http://en.wikipedia.org/wiki/Masami_Yuki Yuuki-sensei.]] (chapter 94, p.6)
140* Eeney, meeney, miney, Keima-Moai. (chapter 94, p.9)
141* Silhouettes of [[Manga/{{Doraemon}} Doraemon, Nobita, and Shizuka.]] (chapter 94, p.10)
142* It's unintentional, but Keima's face is from ''Kaitei Jinrui Anchovie'', a manga by Yasunaga Kouichirou. (chapter 94, p.10)
143* Elsie's art style is from [[http://en.wikipedia.org/wiki/Seizo_Watase Love Cocktail.]] (chapter 94, p.14)
144** [[MoodMotif BGM]] "The Nearness of You" by Hoagy Carmichael & Ned Washington on the second panel.
145* The kites are from Nipponkodo's incense stick [[https://www.youtube.com/watch?v=OPTf5JmeY9A commercial.]] (chapter 94, p.17)
146* At the end credits Elsie sticks a disclaimer notifying Keima's comments are fictitious, referencing the events in [[Literature/HaruhiSuzumiya The Sigh of Haruhi Suzumiya.]] (chapter 94, p.18)
147* Keima-[[Manga/SazaeSan Tarao]]: "An Anime?!" (chapter 94, p.19)
148** Tarao Fuguta from Machiko Hasegawa's Japanese comic strip ''[[http://en.wikipedia.org/wiki/Sazae-san Sazae-san.]]''
149* VideoGame/PacMan as the runaway spirit and the pellets as its food. (chapter 96, p.8)
150* The vertical sign that reads "IOIO". An allusion to Music/TheBeeGees' second single "I.O.I.O." from their seventh album ''Cucumber Castles''. (chapter 97, p.2)
151* [[Manga/DeathNote "Just according to plan..."]] states Kira Kusunoki. (chapter 97, p.15)
152* [[BadassBoast "The iron hammer of evil...]] will be swung down on the impure and filthy new devils!" Okay, seriously, we don't need any [[AxCrazy crazed]] [[ImplacableMan implacable]] [[NinjaMaid maids]] [[Manga/BlackLagoon here]]. (chapter 97, p.16)
153** Original lines translated via formal equivalence: "To those impure and filthy new devils... The iron mace of evil!!"
154* The silhouette of [[Anime/NeonGenesisEvangelion Hinoki lovingly strangling Kusunoki]]. Hinoki sure does love her little sister! (chapter 99, p.13)
155* The first panel is awfully similar to [[ContinuityNod the introduction in chapter 1]], is it not? (chapter 104, p.1)
156* Due to an excessive rainfall, [[DisasterMovie Japan Sinks]]! (chapter 104, p.5)
157* <Insert Universal Studio music here.> (chapter 104, p.6)
158** Switch [[GotTheWholeWorldInMyHand the earth in Keima's hand]] with an [[Manga/DeathNote apple]].
159* Thirsty for a sip of politics? Try the National Diet of Japan... with a fairy on top! (chapter 104, p.7)
160* During the SeriousBusiness meeting of the inner Keima's Congress to prioritize what kind of game is considered a galge game, games that have the theme of capturing girls and an ending, one Keima asks "What about a scrolling shooting game with girls?". Hmm, how many of those do we have? More than one but he is probably referring to that [[Franchise/TouhouProject game]]. (chapter 104, p.10)
161* Military general Keima from the Normal Game Department uses the famous quote from John S. Mill's book, "''Utilitarianism''": "It is better to be a human dissatisfied than a pig satisfied." (chapter 104, p.13)
162* One of the posters they're holding shows Nene Anegasaki from ''VideoGame/LovePlus'', complete with a plus! (chapter 104, p.14)
163* While at an amusement park, the gang go on [[Ride/DisneyThemeParks Splash Canyon a.k.a. Splash Mountain]]. (chapter 106, p.13)
164* The dominant 7#9 chord, colloquially known as the Hendrix chord. (chapter 107, p.1)
165* Keima has upgraded his game accessory to [[OtherNintendoSystems Virtual PFP 3D]]. (chapter 107, p.2)
166* Chihiro's punch [[http://en.wikipedia.org/wiki/A_Trip_to_the_Moon sends Keima to the moon]]. (chapter 108, p.4)
167** [[Series/TheHoneymooners It was one of those days]], huh?
168* Love Romance Preparation Kit from... [[http://en.wikipedia.org/wiki/Tamiya_Corporation Tamiki]]. The stars in Tamiya Corporation's logo are replaced by [[HeartSymbol hearts]]. (chapter 109, p.1)
169* Akari's shabby appearance and outworn backpack give her a striking resemblance to [[MythologyGag Asakura]] of Seikesshou Albatross. (chapter 109, p.17)
170* Keima imitates [[http://en.wikipedia.org/wiki/Peko-chan Peko-chan's]] face, the mascot of confectionary chain Fujiya Co. (chapter 110, p.15)
171** In the same chapter above, the nerds helping a small robot with a smiley face is actually based on an experiment in New York called [[http://www.tweenbots.com/ tweenbots]].
172* Allusions in Akari's ImagineSpot (chapter 112, p.9):
173** An ancient symbol of peace - [[http://en.wikipedia.org/wiki/Peace_symbols#The_olive_branch_and_the_dove The dove and the olive branch.]]
174*** Not to be confused with the one from Noah's Ark and the Great Flood, though that is much disputed.
175** [[Literature/BookOfGenesis Genesis 3]]: [[http://en.wikipedia.org/wiki/Adam_and_Eve Adam and Eve]] being expelled from the [[http://en.wikipedia.org/wiki/Garden_of_eden Garden of Eden,]] the ForbiddenFruit from the [[http://en.wikipedia.org/wiki/Tree_of_the_knowledge_of_good_and_evil tree of knowledge,]] and the [[http://en.wikipedia.org/wiki/Serpent_%28Bible%29 serpent.]]
176*** Also, depending on your own interpretation, God's [[http://en.wikipedia.org/wiki/Weekly_Shonen_Sunday#History "pointing finger".]]
177** Why, if it isn't Keima as a [[UsefulNotes/AdolfHitler certain leader]] of a [[ThoseWackyNazis certain political party]] from a [[UsefulNotes/NaziGermany certain country]]...
178* Keima's perfect human is just a [[http://en.wikipedia.org/wiki/Kewpie_doll_(toy) Kewpie doll]]...with a convincing story to make it so. (chapter 113, p.2)
179* At the end of the Akari faux-arc, Nikaidou refers to the 1953 romantic comedy movie ''Film/RomanHoliday''. (chapter 113, p.17)
180* The very first page of chapter 117 is a take on the Hell part of ''The Garden of Earthly Delights'' by Hieronymus Bosch.
181* Keima says that right now they need to think how to [[Videogame/TheIdolmaster raise an Idol]] when Kanon is stabbed by Vintage, then Haqua [[LampshadeHanging calls him on it]], saying it's not time to think about games. (chapter 118, p.10)
182* Keima declares that he'll cease being a [[Manga/DeathNote god]] and instead become a [[Anime/CodeGeass demon]] of the game world while adopting one of [[Anime/CodeGeass Lelouch's]] gestures. (chapter 121, p.19)
183* One of the chapter's segments is titled [[Music/TheBeatles "A Hard Day's Night"]]. (chapter 122b, p.5)
184* VideoGame/ProfessorLayton's emblem appears on the cover of the book Shiori is removing when she sees Keima on the other side of the shelf. (chapter 124, p.6)
185* [[VisualNovel/ToHeart2 Komaki Manaka]] can be seen on the cover of the Best 50 Dating Sims book. (chapter 124, pg.13)
186* Using [[http://en.wikipedia.org/wiki/The_Game_of_Life The Game of Life]] to demonstrate the power of after-school events. (chapter 126, p.3)
187* Literature/LittleRedRidingHood Tsukiyo. (chapter 126, p.6)
188* Magazine/{{Playboy}} Bunny Head Keima. (chapter 129, p.6)
189* When Keima explains that you should play games more often, the background is from ''Franchise/SuperMarioBros'' (chapter 130, p.18)
190* [[Manga/HayateTheCombatButler Hinagiku]] can be seen on one of the posters. (chapter 131, p.13)
191* A recipe for vegetable soup by [[VideoGame/CookingMama Cook[ing] Mama]]. (chapter 133, p.8)
192* [[Music/AKB48 KNN48]]. (chapter 137b, p.3)
193* Wakaki Tamiki-sensei, the author of TWGOK, seems to really like Mitsuru Adachi-sensei. Besides the fact there are the most numerous and most obvious references to Adachi-sensei's works, Keima also makes a direct reference of Adachi-sensei's name. Unfortunately, I forget which chapter this was in but its in there somewhere.
194** The scenes that would have made it to the current anime were either altered or removed, most likely due to copyright issues and the fact that many current viewers may not be familiar with Adachi-sensei's works.
195* [[Literature/HaruhiSuzumiya "I have no interest in humans."]] (chapter 140, p.11)
196* Haqua is wearing a PETA apron (chapter 144, p.9)
197* Keima is dressed up as [[Manga/CaseClosed Conan]] on the back cover of volume 16. (Chapter 156.5, Bonus materials)
198* Ayumi is Literature/{{Heidi}} (chapter 157, p.2)
199* Ayumi and Chihiro have eyes that are reminiscent of [[http://en.wikipedia.org/wiki/File:Dora_Maar_Au_Chat.jpg Picasso's drawing style]]. (chapter 162, p.5)
200* A railroad-variant of VideoGame/PipeMania. (chapter 172, p.4)
201* Keima describes how agile and fast Ayumi is by [[VideoGame/FireEmblem using a map made up of squares, with colored squares representing how far they can go. Keima, who is in a square with trees, cannot go as far as Ayumi.]] (chapter 174, p.6)
202* The Mai High Festival Arc revolves around three days where the hero must awaken ancient beings to help save the world from the end of the world occurring at dawn after the third day. [[VideoGame/TheLegendOfZeldaMajorasMask Now if Keima or someone in Ayumi's band only played an ocarina.]]
203* Mars is using an [[Platform/NintendoEntertainmentSystem NES]] controller. (FLAG 178.5, pg. 6)
204* Alien!Keima takes on the look of a classic [[TheGreys Grey]]. (FLAG 216, pg. 19)
205* Is the word on the background Kei-chan's {{Kiai}}? If that's so, then he's quoting [[Anime/TurnAGundam Harry Ord...]] (FLAG 219, pg. 7)
206* Grandpa Shoutarou is driving a Jaguar XJS (FLAG 219, pg. 16)
207** Ten years later, he switches to a Toyota Land Cruiser [[spoiler: as he comes to aid three goddesses]]. (FLAG 252, pg. 18)
208* Yui is holding a [[Platform/PlayStation2 PS2]] controller (FLAG 220, pg. 2)
209* Urara: "We'll go to school [[Manga/CardcaptorSakura wearing roller skates!]]" (FLAG 221, pg. 8)
210* A scheming Keima looks an awful lot like Pigma from ''VideoGame/StarFox64'' (FLAG 223, pg. 14)
211* [[Anime/CreamyMamiTheMagicAngel Mami]], [[Anime/MagicalEmiTheMagicStar Emi]], and [[Anime/MagicalIdolPastelYumi Yumi]] (Flag 226, pg. 8)
212* Keima claims that if he were conquering a queen character in a game, he would just hold her citizens at ransom. While he says this, you can see a female noblewoman famous for sticking up for her subjects, [[http://en.wikipedia.org/wiki/Godiva Lady Godiva herself]] (with GodivaHair of course), in the background. (FLAG 236, pg. 6)
213* When Keima and Tenri saw the word "Music/{{Kiss}}" on the script... (FLAG 237, pg. 13)
214* In order of appearance, Keima pretended to be [[Literature/HaruhiSuzumiya an alien, an esper and a time traveller]]
215* The face Keima makes when whining is the face made by exasperated (AUGGGGHHHHHH!) ''Peanuts'' characters (FLAG 240, p.4)
216* Wait, did [[Franchise/{{Terminator}} Skynet]] send those skeletal thugs to take out "Romeo"? (FLAG 245, p.4)
217* In case of boredom, Shiori always carries around a Club Nintendo released [[Platform/GameAndWatch Game & Watch]]. One that has ''Octopus'' (FLAG 252, p.5,11)
218[[/folder]]
219
220[[folder:In the Chapter Titles]]
221Chapters are called [=FLAGs=], referring to the corresponding mechanism in games.
222* FLAG.03 "Baby, You're a Rich Girl": "Baby, You're a Rich Man" by Music/TheBeatles
223* FLAG.04 "Drive My Car" by The Beatles
224* FLAG.05 "I Don't Want to Spoil the Party" by The Beatles
225* FLAG.07 "IDOL BOMB!": Japanese Idol magazine "BOMB"
226* FLAG.08 "UP TO BOY": Japanese Idol magazine "UTB"
227* FLAG.10 "Shining Star": Japanese Idol magazine
228* FLAG.13 "The Inside and Outside of a Big Wall (大きな壁の中と外)": A novel by Motoko Arai
229* FLAG.14 "Inside of Me (私のなかの・・・・・・)": A novel by Motoko Arai
230* FLAG.15 "Open the Door (扉を開けて)": A novel by Motoko Arai
231* FLAG.16 "The Last Day (おしまいの日)": A novel by Motoko Arai
232* FLAG.28 "Rainy Days And Mondays" by Music/{{Carpenters}}
233* FLAG.29 "If You Find Your Ways, It Always Rains (たどりついたらいつも雨ふり)" by Takuro Yoshida
234* FLAG.30 "If the Rain Stopped (雨がやんだら)" by Yukiji Asaoka
235* FLAG.31 "10% Expected Rainfall (10%の雨予報)" by H20, also OP for the anime ''Anime/{{Miyuki}}''
236* FLAG.32 "Singing in the Rain" by Arthur Freed and Nacio Herb Brown
237* FLAG.34 "Demolish the Bricks (つみき くずし)": Japanese TV drama
238* FLAG.35 "The Dawn of Something (なにかの☆よあけ)": Japanese TV drama or Variety Program
239* FLAG.37 "2年B組長瀬先生": Parody of Japanese TV drama
240* FLAG.38 "School Wars (スクール☆ウォーズ)": Japanese TV drama
241* FLAG.39 "Eager Times (熱中時代)": Japanese TV drama
242* FLAG.40 "Scrapped Teacher (スクラップト・ティーチャー)": Parody of Japanese school drama
243* FLAG.41 "In the Heart, the Sun Will Always... (いつも心に太陽を)": Japanese title for ''Film/ToSirWithLove'' (1967)
244* FLAG.44 "The Half Moon is the Color of Love (ハーフムーンはときめき色)" by Syouko Minami
245* FLAG.45 "The Moon and a Glove (月とテブクロ)" by Kinniku Shōjo Tai (KING-SHOW)
246* FLAG.46 "Mr. Moonlight" by The Beatles
247* FLAG.47 "The Girl's Her (彼女の彼)" by Misato Watanabe
248* FLAG.48 "Kano-Kano (彼女彼女の事情)": Parody of Masami Tsuda's ''Manga/HisAndHerCircumstances''
249* FLAG.49 "Kano x Kano x Kare (彼女X彼女X彼)" - Parody of CROSS-NET's galge ''彼女×彼女×彼女 (Kanojo x Kanojo x Kanojo)''
250* FLAG.50-53 "[=H2O=]", "Touch", "Slow Step", "Mostly Sunny": Mitsuru Adachi-sensei called, he wants his copyright fee.
251* FLAG.55 "Help!" by The Beatles
252* FLAG.66 "Nights in White Satin" by Music/TheMoodyBlues
253* FLAG.67 "Ride My See-Saw" by The Moody Blues
254* FLAG.68 "Every Good Girl Deserves Favour": Parody of The Moody Blues' sixth album "Every Good Boy Deserves Favour"
255* FLAG.73~74 "The Escape from the Seraglio", "The Magic Flute" by Music/WolfgangAmadeusMozart
256* FLAG.75 "Anime/SummerWars" by Creator/MamoruHosoda
257* FLAG.80 "Pajama de Ojama" by Creator/YuuWatase
258* FLAG.81 "Young Girl, Young Boy (少女・少年)" by Yuu Yabuuchi
259* FLAG.82 "She and My Eye×Eye" (僕と彼女の目X目) - Parody of Ai Morinaga's "Boku to Kanojo no XXX"
260* FLAG.83 "If Only I Could Exchange Them (とりかへばや)" - Reference to the literary work "Torikaebaya Monogatari"
261* FLAG.84 "Pretty Faces" - Reference to Yasuhiro Kano's ''Manga/PrettyFace''
262* FLAG.85 "Twinkle Trick Star" - Parody of Hikaru Toyama's "Twinkle Twinkle Idol Star"
263* FLAG.86 "I'm That Guy and the Heroine is Inside Me" - Parody of Hisashi Yamanaka's children's literature "I Are You, You Am Me"
264* FLAG.87 "Princess Doubt" - Probably a twist on ''VisualNovel/PrincessDebut''
265* FLAG.88 "Body Jack" - Reference to "Body Jack - Tanoshii Yutai Ridatsu"
266* FLAG.89 "Turn A" - Could be a direct reference to Anime/TurnAGundam.
267* FLAG.102 "VideoGame/DevilMayCry" - An allusion with potential foreshadowing and wordplay?
268* FLAG.105 "Triangle Love Letter" by [[http://en.wikipedia.org/wiki/Triangle_%28Japanese_pop_group%29 Triangle]]
269* FLAG.106 "Three of a Perfect Pair", album/song by [[http://en.wikipedia.org/wiki/King_Crimson King Crimson]]
270* FLAG.107 "Run Run Run" by the [[http://en.wikipedia.org/wiki/The_Velvet_Underground_%26_Nico Velvet Underground]]
271* FLAG.108 "Venus in Furs" by the Velvet Underground
272* FLAG.110 "Do Androids Dream of Chicken Cutlets?" - An allusion to the sci-fi novel by Creator/PhilipKDick, ''Literature/DoAndroidsDreamOfElectricSheep''
273* FLAG.111 "Mannequin" - Could be a reference to [[Film/{{Mannequin}} the movie]]
274* FLAG.112 "Absolute Girlfriend" - An allusion to the shojo manga ''Manga/AbsoluteBoyfriend'' by Yuu Watase
275* FLAG.113 "A・I" - A reference to the sci-fi film ''Film/AIArtificialIntelligence'', which is based on the short story "[[http://en.wikipedia.org/wiki/Super-Toys_Last_All_Summer_Long Super-Toys Last All Summer Long]]" by Creator/BrianAldiss
276* FLAG.114 "[[http://en.wikipedia.org/wiki/Apollo Apollo]]"
277* FLAG.115 "Debris of the Sun" by [[http://en.wikipedia.org/wiki/Ozaki_Yutaka Yutaka Ozaki]]
278* FLAG.118 "Scramble Formation" - Known as "Tokio" Japan, it's a 1986 Shoot'em-Up game developed by Taito Corp
279* FLAG.119 "Look Back in Anger" by Music/DavidBowie and [[http://en.wikipedia.org/wiki/Brian_Eno Brian Eno]]
280* FLAG.129 "Close to the Edge" by Music/{{Yes}}
281* FLAG.130 "Cheap Trick" - one of the best known PowerPop bands and quite popular in Japan
282* FLAG.134 "Anime/StrikeWitches"
283* FLAG.135 "[[CatchPhrase Mission]] In[[Anime/MobileSuitGundamWing complete]]"
284* FLAG.145 "[[Film/CloseEncountersOfTheThirdKind Close Romantic Encounters of the Third Kind]]"
285* FLAG.149 "About Me" by [[http://en.wikipedia.org/wiki/Shizuka_Kud%C5%8D Shizuka Kudo]]
286* FLAG.153 "I, Me, 'My'ne" - play on "I, Me, Mine" by Music/TheBeatles
287* FLAG.154 "Play the Game" by Music/{{Queen}}
288* FLAG.159 "Aqua Lung" by Music/JethroTull
289* FLAG.171 "For a Few Lovers More" - A wordplay on Film/ForAFewDollarsMore from the Film/DollarsTrilogy by Creator/SergioLeone.
290* FLAG.172 "Film/TheGoodTheBadAndTheUgly" by Creator/SergioLeone.
291* FLAG.178-2 "Once Upon A Time in Majima" - Based on Film/OnceUponATimeInTheWest by Creator/SergioLeone
292* FLAG.195 "[[Anime/MobileSuitGundamCharsCounterattack Beyond the FLAG]]" - derived from the song entitled ''Beyond the Time'' by TM Network.
293* FLAG.196 "Child In Time", a reference to Music/DeepPurple's song ''Child in Time''
294* FLAG.201 "A New Career in a New Flag" - A reference to Music/DavidBowie's song ''A New Career in a New Town''
295* FLAG.212 "Flashpoint" - the title references multiple media that also have it as a title.
296* FLAG.216 "Film/{{ET}}". Yes, freaking Film/{{ET}}.
297* FLAG.221 "The Pleasure Land", a throwback to the amusement park in ''WesternAnimation/{{Pinocchio}}''.
298* FLAG.222 "Owner of A LONELY HEART" is a call out to [[http://en.wikipedia.org/wiki/Owner_of_a_Lonely_Heart the song by [=YES=]]].
299* FLAGS 236 to 248 (with the exception of 240) are references to the works of Creator/WilliamShakespeare:
300** FLAG.236 "Love is a Smoke" - from ''Theatre/RomeoAndJuliet''.
301** FLAG.237 "Romeo's Cloudy Skies" is double reference to ''Theatre/RomeoAndJuliet'', but more specifically a play on ''Anime/RomeosBlueSkies''.
302** FLAG.238 "Smiles and Villains" is taken from a line in ''Theatre/{{Hamlet}}'': "That one may smile, and smile, and be a villain-"
303** FLAG.239 "NOT TO BE" is another reference from ''Theatre/{{Hamlet}}'', this time from Hamlet's famous soliloquy.
304** FLAG.241 "Theatre/LovesLaboursLost", from the play of the same name;
305** FLAG.242 "Tempest" - Given the context, could be a reference to ''Theatre/TheTempest''.
306** FLAG.243 "Love's not Time's Fool" - from Shakespeare's sonnet #113.
307** FLAG.244 "Much Ado About 'Something'", playing on ''Theatre/MuchAdoAboutNothing''.
308** FLAG.245 "As You Like" - could be a play on ''Theatre/AsYouLikeIt''.
309** FLAG.246 "Nicely Tangled Threads, Badly Tangled Threads"[[note]]originally "良い縒り糸、悪い縒り糸"[[/note]] is a reference to ''"The web of our life is of a mingled yarn, good and ill together"''[[note]]translated to Japanese as "人の一生は、良い糸も、悪い糸も、いっしょくたに編み込んだ網だ"[[/note]], a line from the play ''Theatre/AllsWellThatEndsWell'', 4.3.
310** FLAG.247 "Theatre/TheTamingOfTheShrew" - another title from a play of the same name.
311** FLAG.248 "The Better for My Enemy" seems to be based on the line "Truly, sir, the better for my foes and the worse for my friends" from the play ''Theatre/TwelfthNight''.
312* FLAG.253 "All Together FLAG" might be a pun to title of the song "All Together Now" by ''Music/TheBeatles'', which is a children's sing-along about a group of friends who gets together to play. Alternatively, it could be reference to the anti-war song "All Together Now" by ''[[http://en.wikipedia.org/wiki/The_Farm_%28band%29 The Farm]]''. Both of them fit nicely with the themes of the chapter.
313* FLAG.256 "From Beyond", originally "彼方から" (Kanata kara), is the Japanese title of the {{shoujo|Demographic}} {{manga}} ''Manga/FromFarAway''.
314* FLAG.257-264 were named after songs by ''Music/{{The Rolling Stones|Band}}'':
315** FLAG.257 "Undercover of the Night".
316** FLAG.258 "Let's Spend the Night Together".
317** FLAG.259 "Shattered".
318** FLAG.260 "Paint It Blank", a pun to ''Paint It Black''.
319** FLAG.261 "No Expectations".
320** FLAG.262 "Heart of Stone".
321** FLAG.263 "You Can't Always Get What You Want".
322** FLAG.264 "Shine A Light"
323* The last four chapter titles are internal self-references to the anime adaptations and vocal albums of ''Manga/TheWorldGodOnlyKnows'':
324** FLAG.265 "World Fortune" is a reference to Haqua and Elsie's ImageSong of the same name, which can be described as a very upbeat BadassBoast of role of the new devils like them in the story.
325** FLAG.266 "Romantic☆2Night" is also the name of Elsie's ImageSong about her "date" with Keima in FLAG.103.
326** FLAG.267 "A Token of Love" is titled after the ending theme of the first TV series.
327** FLAG.268 "Door to Tomorrow" is titled after the second OAV's ending theme.
328[[/folder]]
329
330[[folder:In the Anime]]
331* Miscellaneous
332** The [[http://youtu.be/28tfVb5H140?t=57s scene in the opening credits]] where Keima walks around town playing his PFP resembles another anime opening. Said anime revolves around [[Anime/EdenOfTheEast another guy with a portable electronic device]].
333** In the [[https://www.youtube.com/watch?v=YMoyaQYmYLw second PV]], there are two books with particularly interesting titles in Shiori's kiss scene. The title of the first book is "[[Anime/ErgoProxy [V]incent Law]]", a reference to the sci-fi anime the studio in charge has worked on. The second one, with the title "Bushido", is an allusion to [[http://en.wikipedia.org/wiki/Nitobe_Inazō Nitobe Inazo]].
334** The theming is very much like another MundaneMadeAwesome series, ''VideoGame/TraumaCenter'' (fittingly, it's a game).
335!!!Season 1
336* Episode 1
337** The main character accepts his "contract" to catch "loose souls" while saying "[[UsefulNotes/JapanesePronouns Boku wo]] dare da to omote yagaru." Although not used in the English dub, a lot of people, particularly Mecha fans, fairly recognize this as [[Anime/TengenToppaGurrenLagann "Just who the hell do you think I am?!"]]
338** Just before that, we get a peek at his mail and he has an email signed by [[Manga/{{Naruto}} Konoha Sakura]].
339* Episode 2
340** Chapter 2's BMW metaphor and ''ComicStrip/{{Peanuts}}'' ArtShift. The 6-series model was altered by changing out its front fascia with that of the late-production E46 3-series.
341** Elsea says "I'm one hell of a little sister!", a reference to ''Manga/BlackButler''.
342* Episode 3
343** When Mio is asked what she would do for lunch, she responds "[[UsefulNotes/MarieAntoinette If there is no bread, let me eat sweets.]]"
344** Keima teaches Elsie something useful...along with a loud and clear shout-out to the [[https://www.youtube.com/watch?v=5hKi1VlE94A opening]] of ''Anime/HeidiGirlOfTheAlps''.
345** A [[Anime/MobileSuitGundam Zaku head]] on the fourth day, an [[Manga/GalaxyExpress999 interstellar locomotive]] [[note]] Amusingly, Creator/ChrisPatton and Creator/LuciChristian, Keima and Elsie's English voice actors were the leads of Galaxy Express' SpiritualPredecessor Anime/TheGalaxyRailways[[/note]] on the fifth day, and a [[Literature/{{Cinderella}} pumpkin carriage]]. (From chapters 4 & 5)
346** Keima (learning to waltz): [[KonamiCode Up, Up, Down, Down, L, R, L...]]
347* Episode 4
348** "[[AffectionateParody So, as I play -]] [[VisualNovel/FateStayNight Unlimited Blade Works!]]" (From chapter 6)
349** The background music during Keima and Elsie's commentary about the game sounds similar to "''Gonna Fly Now''" from ''Film/{{Rocky}}''.
350** The background music, while Keima is illustrating what a loop bug is to Elsie, is similar to, if not the same as, "''Raiders' March''" from ''Film/RaidersOfTheLostArk''.
351** As the people who have failed to clear Sora's route are shown, this piece of music by Frederic Chopin is heard: [[ClassicalMusic Piano Sonata No.2 in B Flat Minor Op. 35]], 3rd movement, Marche funebre: Lento.
352** Keima does [[Anime/CodeGeass Lelouch's signature pose]], with the determination to clear Sora's route.
353** The illustration in the preview is by Misato Mitsumi, who was the character designer for ''VisualNovel/ToHeart2''... And on Keima's PFP screen is [[VisualNovel/ToHeart2 Konomi Yuzuhara]].
354* Episode 5
355** Keima's Game Idol rally goes full-on [[Anime/MobileSuitGundam Gihren Zabi]].
356* Episode 6
357** Kanon's pet turtle is named [[Manga/LoveHina Keitaro]]
358* Episode 7
359** Kanon's descent as Elsie wonders how they can find someone who's invisible is a shout-out to the Major's descent from ''Anime/GhostInTheShell''.
360* Episode 8
361** Chapter 11's silhouettes.
362** The title of Keima's segment is "I Think, Therefore I Fantasize", a parody of René Descartes' famous quote "I think, therefore I am".
363** Near the beginning of Elsie's song, she grows the "strawberries" using the method from ''Anime/MyNeighborTotoro''.
364* Episode 9
365** The arrival of the Black Ships from chapter 13.
366** Keima [[Franchise/KamenRider henshins]] while shouting "KAAAMIIII NOOOOMIIII" with all the original sound effects.
367* Episode 10
368** During the library club's meeting regarding adding a new electronic media section, someone suggests [[VideoGame/TheIdolMaster Idol Master]] and ''VideoGame/DeadOrAlive'' to be part of the check-out material.
369** The name of the guy that suggested [[VideoGame/TheIdolMaster Idol Master]] and ''VideoGame/DeadOrAlive'' is Wakaki.
370** Shiori quotes Otto von Bismarck: "Only a fool learns from his own mistakes. The wise man learns from the mistakes of others." (There's a similar quote in the manga, chapter 14, p.17, but it seems to be garbled by the translation.)
371** Chapter 15's Manga/BlackJack shout-out becomes a full-on ImagineSpot, with Keima as Black Jack and Elsie as Pinoko.
372* Episode 11
373** At one point, Shiori is reading a novel called ''Anime/ErgoProxy''.
374* Episode 12
375** [[Anime/DiGiCharat Dejiko]] can be seen running during an ImagineSpot between Elsie and Keima. Noticeably, in the dub, [[Creator/LuciChristian Dejiko and Elsie are both voiced by the same actor.]]
376** Keima's secret technique has him wailing on all six of his game controllers, feet in the air like [[Manga/ArcadeGamerFubuki Fubuki]]. [[FanDisservice Mercifully]] the associated {{Fanservice}} was not included.
377** Later, when Elsie recalls what she saw, Keima was wearing a certain [[WesternAnimation/CaptainNTheGameMaster Red Jacket]]...
378** Hey... I don't remember playing that [[VideoGame/{{Excite}} game]] with horses...
379!!!Season 2
380* Episode 1
381** The {{recap|episode}} sequence is based on ''VideoGame/DragonQuestII''.
382** Somehow has a shout out to itself: "Wait. Didn't you watch the first season?"
383** In this episode, Keima is apparently playing '''[[Franchise/TheKingOfFighters Days Of Memories]]''' since he is trying to "conquer" [[VideoGame/ArtOfFighting Yuri Sakazaki]].
384* Episode 2
385** The movie Keima and Kusunoki were watching was [[Literature/ADogOfFlanders about a boy and his pig named Patrasche.]]
386* Episode 5
387** Keima turning into [[ComicStrip/{{Peanuts}} Snoopy]]
388** One of the girls in Keima's games looks suspiciously like Takao from ''Manga/DFrag''.
389* Episode 7
390** Elsea briefly turned into a WesternAnimation/SouthPark character.
391** On Chihiro's wall is a poster that says Stay Clam and Carry, a reference to the motto of Hitchhikers Guide to the Galaxy
392* Episode 8
393** When Keima started to explain to Elsie the history of dating sim games, you can see an 8-bit [[Manga/FairyTail Erza Scarlet]] running in the background.
394** When Keima sees Yokkyun's game for the first time in the sale bin, [[Film/TwoThousandOneASpaceOdyssey "Also Sprach Zarathustra" starts to play, the game's box takes on a "monolithic" look and when Keima picks it, the background shows Earth, Sun and all the planets aligned at the center]].
395* Episode 10
396** There's a ''Franchise/DragonAge'' poster in the P.F.P. game Nikaido is playing.
397** The same game is quoting Asuka in the infamous HighSchoolAU scene in ''Anime/NeonGenesisEvangelion''.
398** The scene where Keima calls upon a giant mecha Nikaidō is a reference to the 1999 anime "The Big O". Keima shouting into his PFP resembles the main character of "The Big O" shouting into his watch to summon his giant mecha.
399* Episode 12
400** Keima compares dating-sim heroines to ''Anime/TheGirlWhoLeaptThroughTime'', with himself in the place of that character.
401** "B's Ware" or does that actually mean Creator/BioWare?
402*** It's a ShoutOut to [[Creator/KeyVisualArts Key]], considering the logo has the same style (red underline and black alphabet). The fact that the game's scenario is amazing despite having a bad art style is a ShoutOut[=/=]TakeThat to ''VisualNovel/{{Kanon}}''.
403*** Also, "B's ware" sounds like "Visual Art's" in Japanese.
404*** Or could be from [[http://en.wikipedia.org/wiki/C%27s_Ware "C's Ware"]] who made games like ''VisualNovel/DiviDead''.
405*** Why is no one thinking [[Website/FourChan /b/]] for B's Ware and the fact that the character's name is Manga/{{Yotsuba}} who happens to be the mascot for 4chan, as well as the four-leaf clover showing in the game. Not to mention that 4chan has collaborated to make [[VisualNovel/KatawaShoujo dating sims]] in the past.
406** When Keima is having an internal battle between the idea of [[DoesThisRemindYouOfAnything multi-heroine games and singular heroine games]], it's making a reference to ''Literature/LegendOfTheGalacticHeroes'' which is well known for its epic space battles over ideals (namely democracy and monarchy). \
407Keima even imitates the speaking voice of a certain [[Literature/LegendOfTheGalacticHeroes Paul von Oberstein]]
408[[/folder]]
409
410[[folder:In the Novel]]
411!!!Volume 1
412* Keima is dressed up as [[Anime/SpiritedAway No Face]], Elsee as [[Anime/MyNeighborTotoro Totoro]] and Amami as Manga/{{Nausicaa|OfTheValleyOfTheWind}}.
413** In the background, there are also [[Anime/PrincessMononoke tree spirits]] and a karaoke machine with the song "Sanpo" from ''Anime/MyNeighborTotoro''.
414*** All of the allusions are works by Creator/HayaoMiyazaki and Creator/StudioGhibli.
415!!!Volume 2
416* Aoba receives intensive training from Keima, who's wearing the whole [[Anime/GunBuster "Coach" Ohta]] outfit.

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