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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!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
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Touhou Iyuushou ~ What the Bullet Hell?! is a Touhou Project fan-made bullet hell game that pays homage to Impossible Spell Card. It features a collection of short, self-contained danmaku stages—each one a standalone, visually striking bullet pattern designed to challenge your reflexes and puzzle-solving skills.
"Iyuushou" means "Testimony of Strange Encounters".
You play as Marisa Kirisame, reimagined as a danmaku researcher, investigating mysterious spell cards appearing across Gensokyo. Armed with a variety of tools, you'll analyze, survive, and outwit increasingly bizarre bullet patterns!
🔸 Danmaku Challenge Collection
A large set of short, carefully crafted stages. Each stage is an individual bullet hell "exhibit", offering unique gameplay, aesthetics, and logic to decipher.
🔸 Strategic Item System
Bring helpful items into battle to turn the tide—but be warned, using them affects your final reward! Go in raw for greater glory.
🔸 Multiple Difficulty Levels & Challenge Styles
Tackle each stage at Easy / Normal / Hard / Lunatic difficulty. Want to prove your skill? Try clearing stages without items for maximum bragging rights!
🔸 Stamp Collection System
Clearing a stage earns you collectible stamps. Higher difficulties award more stamps, and clearing a stage without items earns you a rare, shining Gold Stamp!
🔸 Scene EX: Long-form challenges included!
Each game day features a "Scene EX", where all bosses of that day appear in succession, taking turns unleashing their bullet patterns. This provides players who enjoy longer gameplay sessions with a more complete and intense danmaku rhythm experience.
🔸 DIY Mode: Create Your Own Challenge Runs
Use levels as "cards" to freely combine and arrange them, building your own long-form bullet hell challenges. Save and share presets, and compete with friends for high points!
🔸 Daily Challenge: Fresh Danmaku Combos Every Day!
The game randomly selects different bosses to appear together each day, creating unprecedented mixed battles. Every day brings a brand-new experience!
A Touhou Project fan game made with love for danmaku and its creative potential
Inspired by Impossible Spell Card, but expands with more solutions and player freedom
Light on story, heavy on gameplay—perfect for pick-up-and-play or long challenge runs
Catering to both quick-stage runs and marathon STG experiences
Functions both as a "danmaku art gallery" and a technical proving ground for STG fans
⚠️ Warning: This game contains flashing lights and rapid patterns that may trigger seizures in players with photosensitive epilepsy.
