Hifuu Nightmare Diary ~ Violet Detector.
Bullet hell shooting where your camera clears incoming enemy fire
上海アリス幻樂団 · Published by Mediascape Co., Ltd. · Released Sep 4, 2018
- Reviews
- Mostly Positive
- 76% of 318
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 29, 2026
- Steam Deck
- Unsupported
- Last update on Steam
- 8 years ago
- Aug 14, 2018
What is Hifuu Nightmare Diary ~ Violet Detector. ?
This single-player, 2D bullet hell shooter follows Sumireko Usami as her dream visits to Gensokyo turn into recurring nightmares. You choose short stages, dodge bullets, and defeat bosses with shots and photographs; clearing a stage requires taking at least one photo. Getting hit means restarting the scene, but you don't need to clear every scene to advance the story.
For you if...
- +you enjoy mastering difficult patterns through repeated attempts
Not for you if...
- −you prefer forgiving action without precise movement demands
What players say
76% of 318 reviews are positive
Some players enjoy the teleport mechanic. Recurring complaints focus on awkward controls, particularly the teleport command.
Screenshots and trailer
Hifuu Nightmare Diary ~ Violet Detector. system requirements
Minimum: Shader Model 2.0 compatib…, 1 GB RAM, 0.6 GB of disk space.
As published by the developer.
Can my PC run Hifuu Nightmare Diary ~ Violet Detector. ?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 7/8/10
- Processor
- Core 2 Duo or faster
- Graphics
- Shader Model 2.0 compatible
- Memory
- 1024 MB RAM
- Storage
- 600 MB available space
- DirectX
- Version 9.0c
Recommended
- Memory
- 2048 MB RAM
- Notes
- Controller recommended
Does Hifuu Nightmare Diary ~ Violet Detector. have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Hifuu Nightmare Diary ~ Violet Detector. run on Steam Deck?
Unsupported No: Valve rates it Unsupported on Steam Deck.
- Not supported on SteamOS
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Cloud saves, Family Sharing
- Languages
- Text only: Japanese.
Does Hifuu Nightmare Diary ~ Violet Detector. use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam