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Touhou Iyuushou: What the Bullet Hell?!
Main game
By: Cyoltose
Technical details
- Platforms
- Themes
By: Cyoltose
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A Touhou Project fan-made bullet hell game inspired by Impossible Spell Card! Conquer creative, self-contained danmaku challenges using clever item strategies and sharp dodging skills. Collect stamps and prove your mastery! Prefer longer play sessions? Check out the Scene EX and PH challenges!
PC (Microsoft Windows) · Nov 10, 2025
Worldwide · Exact date · Full release · IGDB
Catalog sources
60 achievements available.
Launch the game for the first time
LockedSteam
Clear any 1 scene
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Collect 25 Stamp
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Collect 80 Stamp
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Collect 100 Stamp
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Collect 200 Stamp
LockedSteam
Collect all Stamp
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Collect 50 GoldStamp
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Collect 150 GoldStamp
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Collect all GoldStamp
LockedSteam
Die 100 times
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Die 1000 times
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Perfect clear 5 scenes
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Use Solar Sample 100 times
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Use Catching Bubble 100 times
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Use Evasion Rune 100 times
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Use Resonance Crystal 100 times
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Use Ribbon Ring 100 times
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Hidden until unlockedSteam
Perfect clear any 1 scene
LockedSteam
Use Wormhole Edge 100 times
LockedSteam
Use Ray Terminal 100 times
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Use Green Mushroom 100 times
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Perfect clear 10 scenes
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Unlock Challenge Mode
LockedSteam
Complete a Daily Challenge once
LockedSteam
Perfect clear 20 scenes
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Perfect clear 40 scenes
LockedSteam
Perfect clear all scenes
LockedSteam
Clear 15 scenes
LockedSteam
Clear 50 scenes
LockedSteam
Clear all scenes
LockedSteam
Complete 31 different Daily Challenges
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Complete a DIY Mode once
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Community notes
