History VideoGame / HifuuNightmareDiaryVioletDetector

* LaserGuidedAmnesia: [[spoiler:For reasons unexplained, Sumireko forgets the events of the game afterwards. However, the photos she took are still saved on her smartphone. Later in ''The Grimoire of Usami'', she admits she doesn't remember taking them.]]

* EnemyMine: In the second scene of Nightmare Sunday, Byakuren and Miko, who are usually enemies, team up against you.

* TomatoInTheMirror: Doremy initially states that the reason the DreamWorld denizens are so hostile towards Sumireko is that they are jealous of her "flesh-and-blood body," which changes context later, when [[spoiler:it is revealed that the Sumireko you've been playing is Dream Sumireko, who has hijacked the real Sumireko's body. They aren't jealous just because she's a real person, but because she's a dream-self who somehow managed to BodySwap with her real-world counterpart, something the repressed dream-selves are eager to repeat after the [[VideoGame/TouhouHyouibanaAntinomyOfCommonFlowers Perfect Possession Incident]].]]

''Hifuu Nightmare Diary ~ Violet Detector'' is a video game created by Team Shanghai Alice for Windows computers in 2018. It's [[GaidenGame the 16.5th videogame installment]] in the ''Franchise/TouhouProject'' franchise, a [[{{Sequel}} direct follow-up]] to Sumireko's scenario in ''VideoGame/TouhouHyouibanaAntinomyOfCommonFlowers''.

''Hifuu Nightmare Diary ~ Violet Detector'' is a video game created by Team Shanghai Alice for Windows computers in 2018. It's [[GaidenGame the 16.5th videogame installment]] in the ''Franchise/{{Touhou}}'' franchise, a [[{{Sequel}} direct follow-up]] to Sumireko's scenario in ''VideoGame/TouhouHyouibanaAntinomyOfCommonFlowers''.

* YouGottaHaveBlueHair: {{Lampshaded}}. When taking a picture of a character with blue hair, one of Sumireko's possible hashtags is "[=#GottaHaveBlue=]".

* LampshadeHanging: After taking her first pictures of Remilia and Flandre, Sumireko questions [[MissingReflection how they managed to show up in them]].

* TomatoInTheMirror: Doremy initially states that the reason the DreamWorld denizens are so hostile towards Sumireko is that they are jealous of her "flesh-and-blood body," which changes context later, when [[spoiler: it is revealed that the Sumireko you've been playing is Dream Sumireko, who has hijacked the real Sumireko's body. They aren't jealous just because you're a real person, but a because you're a dream-self who somehow managed to BodySwap with her real-world counterpart, something the repressed dream-selves are eager to repeat after the [[VideoGame/TouhouHyouibanaAntinomyOfCommonFlowers Perfect Possession Incident]].]]

The game continues the "Danmaku photography game" format started by ''VideoGame/TouhouBunkachouShootTheBullet'', but adds a teleportation mechanic reminiscent of ''[[VideoGame/DanmakuAmanojakuImpossibleSpellCard Impossible Spell Card]]''. The presentation is also more modern, with Sumireko taking pictures on her smartphone and adding humorous hashtags. There are new bosses from games 15-16 as well as final and EX bosses from other games.

* HashtagForLaughs: Photos now get humorous hashtags depending on what's on them.

* GetARoom: If two boss sprites overlap each other in a photo, Sumireko responds with "[=#GetARoomYouTwoLol=]".

* LampshadeHanging: After taking her first picture of Remilia and Flandre, Sumireko questions [[MissingReflection how they managed to show up in them]].

''Hifuu Nightmare Diary ~ Violet Detector'' is a video game created by Team Shanghai Alice for Windows computers in 2018. It's [[GaidenGame the 16.5th videogame installment]] in the ''Franchise/{{Touhou}}'' franchise, a [[{{Sequel}} direct follow-up]] to Sumireko's route in ''VideoGame/TouhouHyouibanaAntinomyOfCommonFlowers''.

* MythologyGag:
** In Stage 6 of Wrong Sunday, Sumireko compares Nemuno's knives to Pop-Up Pirate ones, a reference to ''Uwabami Breakers''.
** The Spell Card names of Week 3 all reference the names of various ''Touhou'' games.

* MythologyGag: In Stage 6 of Wrong Sunday, Sumireko compares Nemuno's knives to Pop-Up Pirate ones, a reference to ''Uwabami Breakers''.

* LampshadeHanging: After taking her first picture of Remilia and Flandre, Sumireko questions [[MissingReflection how they managed to show up in the photos]].
* YouGottaHaveBlueHair: {{Lampshaded}} by Sumireko. When taking a picture of a character with blue hair, one of her possible hashtags is "[=#GottaHaveBlue=]".

''Hifuu Nightmare Diary ~ Violet Detector'' is a video game created by Team Shanghai Alice for Windows computers in 2018. It's [[GaidenGame the 16.5th videogame installment]] in the ''Franchise/{{Touhou}}'' franchise, a [[{{Sequel}} direct follow-up]] to Sumireko's route in ''TouhouHyouibanaAntinomyOfCommonFlowers''.

The game continues the "Danmaku photography game" format started by ''TouhouBunkachouShootTheBullet'', but adds a teleportation mechanic reminiscent of ''[[DanmakuAmanojakuImpossibleSpellCard Impossible Spell Card]]''. The presentation is also more modern, with Sumireko taking pictures on her smartphone and adding humorous hashtags. There are new bosses from games 15-16 as well as final and EX bosses from other games.

''Hifuu Nightmare Diary ~ Violet Detector'' is a video game created by Team Shanghai Alice for Windows computers in 2018. It's the sixteenth and a half installment in the ''Franchise/{{Touhou}}'' franchise.

Sumireko Usami finds herself trapped in a nightmare in which characters from previous game attack her with danmaku. She must survive three weeks and take pictures of the bullet patterns on her smartphone.

The game continues the "Danmaku photography game" format, only the game has a more modern feel, since now photos are taken by smartphone and have humurous hashtags added to them. There are also new bosses from games 15-16 as well as final and EX bosses from other games.