This movie is just one long love-letter to retro and arcade gaming.
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* Several sound effects:
** When Felix lifts the magic hammer, a version of the familiar ''[[Franchise/SuperMarioBros Mario]]'' coin sound effect is heard.
** Another audio Shout Out that's easier to miss; the sound effect that plays when Felix gets a pie is the same sound effect used when Mega Man gets an enemy ability from ''VideoGame/MegaMan3'' onwards.
** At one point when Tamora Calhoun draws her gun, it makes the charging sound effect that X's buster makes when he charges it from ''Videogame/MegaManX4'' onward.
** Yet another nostalgic sound can be caught in the second trailer where Felix, trying to escape from the jail by hitting the window bars (but fixing them unintentionally instead): It's the Start Up-sound from ''VideoGame/{{Gradius}}''!
** When Ralph is searching through a box and finds an exclamation point, the sound that accompanies it is the "alerted" sound effect from ''VideoGame/MetalGearSolid''.
** As Ralph hides in chocolate and breathes through a straw, he makes [[Franchise/StarWars Darth Vader's]] [[VaderBreath breathing noise]].
** [[WesternAnimation/ToyStory Buzz Lightyear's]] laser hum can be heard during [[spoiler:the wedding between Felix and Tamora Calhoun, when the squad of Hero's Duty all ensure there isn't a repeat of Tamora's LAST wedding]].
** When Felix gets hit with a piece of ceiling and 'dies', it's very similar (in both sound and appearance) to the death sequence in ''VideoGame/DonkeyKong''.
** When Felix gets a medal, the background music in the game sounds remarkably like the music used when Mario rescues Peach in ''VideoGame/SuperMarioBros1''.
** At the beginning of one of the ''Sugar Rush'' races, the sound effect of the ''VideoGame/MarioKart64'' stoplight can be heard.
** The sound Bowser makes when he spews fire after Ralph says he does not want to be the bad guy anymore is identical to the one he makes in ''VideoGame/SuperMarioBros1''.
** Even the promotional Flash tie-in game has some references: Felix's theme in the game [[http://ribbonblack.blogspot.it/2013/03/the-tower-of-druaga-and-fix-it-felix-jr.html appears to be based]] on the theme from ''VideoGame/TheTowerOfDruaga''.
* The KonamiCode being used as the password to hack [[spoiler: Sugar Rush's]] code.
* The ''VideoGame/PacMan'' font is used on the Litwak's Family Fun Center sign.
* The ''Fix-It Felix Jr.'' machine [[http://frischsbigblog.blogspot.com/2012/11/donkey-kong-vs-fix-it-felix-jr.html resembles]] a ''Donkey Kong'' machine.
* Ralph's game is ''Fix-It Felix '''Jr'''''. ''Donkey Kong Jr.'' was the game in which [[PerspectiveFlip DK was a captive and Mario was the]] BigBad.
* Tamora Jean Calhoun shares her last name with [[Franchise/StarTrek Mackenzie Calhoun]], as well as with Barney Calhoun from ''VideoGame/HalfLife''. Her first name may be a reference to Creator/TamoraPierce, an author known for writing strong female characters. Jean may be a reference to Billie Jean King, a former World No. 1 tennis player who won the famous Battle of the Sexes.
* Ralph punching out one of the windows in the in-universe version of ''Fix-It Felix Jr.'' looks like something out of ''VideoGame/{{Rampage}}''.
* During the Bad Anon meeting, [[VideoGame/StreetFighter Zangief]] explains to Ralph, "[[WesternAnimation/DespicableMe Just because you're a bad guy, this does not mean you're a]] ''[[WesternAnimation/DespicableMe bad guy]]''."
* Game Central Station, located in the power strip which supplies all the arcade machines, is obviously one to [[BigApplesauce Grand Central Station]].
** Ralph sarcastically says his name is [[Franchise/TombRaider Lara Croft]] when the Surge Protector stops him at Game Central Station at the beginning of the movie.
** Sonic doing a PublicServiceAnnouncement is a reference to the ''Sonic Sez'' segments from ''WesternAnimation/AdventuresOfSonicTheHedgehog''.
** In one shot in Game Central Station, you can see [[Franchise/StreetFighter Chun-Li, Cammy]], and two [[Franchise/SuperMarioBros Peach and Daisy]] look-alikes walking by.
** Among the games visible in the very back corner of the station is ''Film/{{Tron}}''.
* As Ralph makes a break for the tower in ''Hero's Duty'', he faintly shouts, [[Film/TheHunchbackOfNotreDame "Sanctuary! Sanctuary!"]]
* During the scene of the party for the 30th Anniversary of ''Fix-It Felix Jr.'' held up at the penthouse, we get a shot of Skrillex as the D.J. of the party.
** The clown at the party is vaguely similar to Jaxson from the obscure arcade game ''[[http://www.arcade-museum.com/game_detail.php?game_id=9595 Snacks 'n Jaxson]]''.
* When Ralph sticks Sour Bill on a lollipop and says [[Film/{{Predator}} "Stick around".]]
* Tons of shout-outs in the graffiti at Game Central Station:
** The port to Sugar Rush has "No camping" (in the context of a FirstPersonShooter), [[LeeroyJenkins "Jenkins"]], "[[VideoGame/StreetFighterII Sheng]] [[UrbanLegendOfZelda Long]] was here", and a reference to Turbo.
** There's more graffiti in the opening, as seen in the path to Pac-Man, that reads "[[VideoGame/FinalFantasyVII Aerith Lives]]" and "[[VideoGame/ZeroWing All your base are belong to us]]".
** Also some of Turbo's done [[http://25.media.tumblr.com/tumblr_mcqvy6Pefq1r7k3klo3_400.png in the Obey style]].
** The "Jenkins" also doubles as a BrickJoke, since one of the pieces of graffiti in Pac-Man's entry in a previous scene is "Leeroooooy".
* Between this and ''[[Film/ScottPilgrimVsTheWorld Scott Pilgrim]]'', "[[CompleteWorldKnowledge bullroar]]" is on its way to becoming the premier [[GoshDangItToHeck swear substitute]].
* ''Hero's Duty'' was a big shout-out to ''Franchise/StarshipTroopers'' (and many derived works with a BugWar premise), ''VideoGame/CallOfDuty'', ''{{Franchise/Halo}}'', ''VideoGame/MetroidPrime'', ''Starcraft'', and ''Franchise/MassEffect''.
** In the credits, a scene's shown in the style of ''{{VideoGame/Doom}}'', ''{{VideoGame/Marathon}}'', and pretty much any 90s-era FPS.
* Ralph accidentally stepping on a bug egg, causing it to hatch, attempting to escape in a shuttle, having it [[FaceHugger attach to his face]] and then escape the pod to go propagate before finally assaulting the new world in which it finds itself seems eerily similar to the ''Franchise/{{Alien}}'' franchise. The Cy-Bug eggs also glow from within with the same sickly glow as Xenomorph eggs.
** And in a blink-and-you'll-miss-it shout-out to the "They're in the room!" scene from ''Film/{{Aliens}}'', Calhoun's tracker shows her completely surrounded by Cy-Bugs while standing in an empty field in ''Sugar Rush''. Then the ground caves in and she falls into their nest.
** Calhoun's rifle looks not unlike the pulse rifles from ''Film/{{Aliens}}'', too.
* The [=TurboTime=] arcade cabinet is reminiscent of the [[http://en.wikipedia.org/wiki/Rally-X Rally-X]] cabinet.
* Ralph, [[ComicBook/TheIncredibleHulk covered in green candy goo]], goes on a rampage through the stadium in ''Sugar Rush''.
* The Oreo cookie guards in ''Sugar Rush'' are chanting "March of the Winkies" (slightly modified, of course) from ''Film/TheWizardOfOz''.
* When Ralph first meets King Candy, he asks him "Who are you, the guy who makes the donuts?" This is a reference to [[http://www.youtube.com/watch?v=XyZtMfMWONI a famous Dunkin' Donuts commercial]] back in TheEighties.
* Auto racing girl named Vanellope. [[WesternAnimation/WackyRaces Does that remind you of anything]]?
** And that one named [[Creator/HayaoMiyazaki Minty Zaki?]] ([[http://www.facebook.com/photo.php?fbid=617361001614078 Statement here]].)
** Of the same flavour, we have a racer called Di Caramello, which, if you pronounce "Caramel" as "Carmel" you get something that sounds oddly like [[Creator/LeonardoDiCaprio DiCaprio]] with a candy twist, which may or may not have been intentional.
* The scene where the other racers destroy Vanellope's kart is played very much like the stepsisters destroying the dress in ''Disney/{{Cinderella}}''.
* There's also a non-video game shout out as after Ralph chases off the racers of ''Sugar Rush'' who were destroying Vanellope's kart, he refers to them as "the [[Franchise/ChildrenOfTheCorn Children of the Candy Corn]]".
* When King Candy digs around in the game's code, he says "End of the Line!", an almost word-for-word quote of [[Film/{{Tron}} MCP]].
** He also sings "[[Series/SesameStreet One of these things is not like the others...]]"
* When Ralph picks up Sour Bill and forces him to [[spoiler:tell him the truth about Vanellope]], Ralph licks Sour Bill. Then Ralph smiles and says, "I wonder how many licks it'll take to get to your ''center?''". The Tootsie Pop slogan has never sounded so ''badass''.
* The ''Sugar Rush'' race track has several shout-outs to ''VideoGame/MarioKart''. There's a cannon segment that looks suspiciously similar to the one from DK Mountain, an ice track similar to Frappe Snowland/Sherbet Land, and of course, a Rainbow Road near the end. Also, if you watch closely at the start of the race, one of the racers spins back and forth in place [[ShownTheirWork like when you hold the accelerator too long trying to get a boost at the start of the race in the Mario Kart series...]]
** The track inside the mountain where Ralph teaches Vanellope how to drive is very much like the Big Donut multiplayer stage from ''VideoGame/MarioKart64'', being a circular track inside a volcano.
** Also, the items come in boxes marked with question marks, and a homing weapon is red-colored and comes in a bundle of three, much like the red shells.
** The opening segment of the final race also (in terms of the camera angle) mirrors the introductory cinematic of [[SegaSuperstars another Mascot Kart Racer...]]
** Also a shout out to Acceleracers, the part where Vanellope drives through a wall is reminiscent of how one gets to Tesla's Acceledrome.
* The part where Ralph and Vanellope create a kart is done by series of minigames using cooking ingredients and tools, very reminiscent of VideoGame/CookingMama games.
* In the scene where Vanellope and King Candy are racing on the Rainbow Road-esque track, King Candy jumps onto the road in his cart... just like the famous cheat where if you jump off at a certain point in Rainbow Road, you can land on a lower portion of the track ahead of other racers.
* [[spoiler:King Candy/Turbo]] becoming a bug hybrid after seemingly being lost to the bugs, kinda like [[spoiler:Xander in ''WesternAnimation/RoughnecksStarshipTroopersChronicles'']].
** Also reminiscent of Dr. Smith's transformation [[spoiler:into the Spider Smith]] from ''Series/LostInSpace''.
* Ralph's HeroicSacrifice near the end is similar to the scene in ''WesternAnimation/TheIronGiant'' where the eponymous Giant saves a city from a missile.
** Ralph also strikes a Franchise/{{Superman}} pose while falling.
** Even more noticeable is since how Ralph is based off Donkey Kong, he attempts to [[VideoGame/DonkeyKongCountryReturns punch down something from a high altitude involving a volcano and it ultimately saves the day]].
* Another Disney one; The scene where [[spoiler:Vanellope]] turns into [[spoiler:a princess]] at the climax and automatically resets ''Sugar Rush'' is a lot like the finale of ''Disney/BeautyAndTheBeast''.
** [[spoiler:Her princess attire]] also strongly resembles a [[spoiler:pink, frillier version of the [[Disney/AliceInWonderland Queen of Hearts']] dress.]]
* The PoliceBrutality scene with Ralph and the cops, Wynchel and Duncan. [[WesternAnimation/TheSimpsons Wouldn't look]] [[WesternAnimation/{{Futurama}} out of place somewhere.]] The film's creator, Rich Moore, was a director on both of these shows.
** And the cops' names refer to [[http://en.wikipedia.org/wiki/Winchells_Donuts Winchell's]] and [[http://en.wikipedia.org/wiki/Dunkin%27_Donuts Dunkin' Donuts]], two chains of donut shops.
* The "power cards" Litwak's Arcade uses are similar to the real-life arcade chain of Dave and Buster's, which uses electronic cards instead of coins (though Litwak's Arcade utilizes both coins and power cards).
* The arcade owner, Mr. Litwak, may be modeled after [[http://en.wikipedia.org/wiki/Walter_Day Walter Day]], the president of Twin Galaxies, the [[http://en.wikipedia.org/wiki/Twin_Galaxies record-keeping organization for Video Game high scores]]. Both are older, thin gentlemen who wear iconic referee shirts.
* "Going Turbo" is first spoken by M. Bison, in a nod to ''Super Street Fighter II: Turbo'' (as well as ''Street Fighter II Turbo'' aka "Hyper Fighting" in North America).
* At the very end of the film, the right half of the screen glitches with random sprites and numbers just like the "[[KillScreen kill-screen]]" in the original ''Pac-Man''.
* The candy-fed Cy-Bugs bear a strong resemblance to the Beetleworks from ''VideoGame/EpicMickey''. This is reinforced when [[spoiler:King Candy is assimilated]].
* It seems that the TastesLikeDiabetes world of ''Sugar Rush'' has an entire network of tunnels and caverns underneath it, along with a few hidden entrances to restricted/under construction areas. [[Ride/DisneyThemeParks Sounds a bit familiar ...]]
* Related: In Music/OwlCity's official video for "[[http://www.youtube.com/watch?v=qM1YMeDsc-M When Can I See You Again?]]", the pixellated buildings in the background are done in the style of ''VideoGame/EarthBound''.
* [[GoshDangItToHeck The nature of]] [[ParentheticalSwearing Felix's freaking out]] [[WhatTheHellHero at Ralph]] in the prison break scene may be a [[ActorAllusion shout out]] to [[Series/ThirtyRock Kenneth the Page's]] [[http://youtu.be/PFKW6pxeyQo "swearing" at Jack Donaghy]].
-->'''Felix:''' I don't have to do ''[[UnusualEuphemism boo]]'', forgive my pottymouth. I'm just s-so, so ''cross'' with you!
* When Ralph and Vanellope [[spoiler:break into the car factory in Sugar Rush]], she calls him [[Franchise/SonicTheHedgehog Knuckles]].
** In a similar vein, when Ralph mentions he breaks things, not makes things, Vanellope's response is, "Looks like you're gonna have to step outside your comfort zone, then, SelfDemonstrating/GLaDOS."
* The gateway between Sugar Rush and Game Central Station is [[NorseMythology a rainbow bridge (made of sour fruit rolls)]].
* Calhoun's fiance was named Dr. Brad Scott. ''Somebody'' had ''Film/TheRockyHorrorPictureShow'' on their mind ...
* When Ralph is first escaping the castle, one of the donut cops is chasing him with a chainsaw...a chainsaw with candy on it, and ''[[VideoGame/LollipopChainsaw running in a particularly familiar fashion]]''.
* The Cy-Bugs' mannerisms can also remind you of [[Film/TheMatrix The Machines]].
* As mentioned in the GettingCrapPastTheRadar section, [[Film/ClerksII Pillow Pants]] is mentioned.
* The drunk Hero's Duty Marine that Ralph meets at Tapper's just keeps walking pressed up against the wall, as if locked in a walking animation, in a manner familiar to gamers who've had experiences with AI bugs.
* Many of the guns seen in Hero's Duty start out in a compact, storage form and then expand into their fully functional forms when drawn, possibly a reference to the weapons in ''Franchise/MassEffect''.
* The other kids wrecking Vanellope's car bears some semblance to the SUV-wrecking bonus stage from the ''Franchise/StreetFighter'' games. Minty Zaki even does a [[Franchise/SuperMarioBros Ground Pound]].
** The SUV wrecking stage is shown in the credits with Ryu, Ralph, and Vanellope doing the beating. This is followed by Ralph fighting Blanka.
* Even the ''soundtrack'' joins the referential fun: the name for the track playing during King Candy's introductory scene? [[VideoGame/MarioKart64 Royal Raceway!]]
* Ralph, at one point, calls ''Sugar Rush'' a "candy-coated ''Literature/HeartOfDarkness''".
* It's likely that a lot of people nickname this movie "{{Film/Tron}}[[WesternAnimation/MonstersInc sters Inc]]". In particular, the Beacon in ''Hero's Duty'' bears a strong visual resemblance to the Portal in ''Film/TronLegacy'', and the panels swirling around the ''Hero's Duty'' medal resemble the [=MCP's=] shields from the original ''Tron''. The reset of ''Sugar Rush'' when [[spoiler:Vanellope crosses the finish line and becomes Princess Vanellope]] is very reminiscent of the reset of the system at the end of ''Tron''.
* The first stage (save the good ingredients, junk the bad ones) of the "bake-a-cart" mini-game strongly resembles the ZXSpectrum game [[{{Creator/Rare}} Cookie]].
* During Ralph's ImagineSpot about returning with the medal, the 8-bit tears Gene cries are similar to those cried by the cops in an obscure coin-op, ''Lock and Chase'', both visually and audibly.
* Felix, being the nice, innocent good guy that he is, tries to refrain from using popular obscenities, replacement obscenities, or minor words like "My God!" for frustration or astonishment Instead, he uses many... unusual replacements in his vocabulary, such as [[VideoGame/{{Earthbound}} "My Land!"]] for "My God!"
* [[VideoGame/PhantasyStar A story centered around]] a team of four protagonists, who all ultimately come together under the sake of the team's little girl, save the world from [[spoiler: an evil king]] who turns out to be a threat even greater than they think, and the girl [[spoiler: takes back her rightful place as her world's true ruler?]]
* In addition to NoCelebritiesWereHarmed, Alan Tudyk's performance as King Candy is a superb impression of actor Ed Wynn's distinct voice and vocal mannerisms, while Candy's character design is a direct ShoutOut to Wynn's character of [[Disney/AliceInWonderland the Hatter]].
* When Ralph starts to explain why Vanellope can't race, he says that he's been thinking. Vanellope replies, "That's Dangerous," much like Lefou's reply to Gaston saying the same thing in ''Disney/BeautyAndTheBeast''.
* Turbo looks like a zombified ''WesternAnimation/KickButtowski''.
* A non-gaming example, the rock guitar rendition of the Wedding March sounds a lot like the {{Queen}} rendition of same from the ''Film/FlashGordon'' movie.
* Another non-gaming example: the sound effect Calhoun's gun makes when it fires is the same sound as the phased-plasma pulse rifles in the future war of the ''Franchise/{{Terminator}}'' movies. And her pistol is modeled after the [=Auto-9=] used by ''Franchise/RoboCop'', despite being a laser weapon. Watch closely during the scene where she reloads it, which is very much like a scene in that same movie.
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