75%Strong matchTouHou Makuka Sai ~ Fantastic Danmaku Festival Part III
91%1k91% positive reviews, Very Positive across 1k reviews·Bullet Hell · Shoot 'Em Up
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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!
Touhou Iyuushou ~ What the Bullet Hell?!
SteamTouhou 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!
⚠️ Warning: This game contains flashing lights and rapid patterns that may trigger seizures in players with photosensitive epilepsy.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like Touhou Iyuushou ~ What the Bullet Hell?! are TouHou Makuka Sai ~ Fantastic Danmaku Festival Part III, Touhou Mechanical Scrollery | 幻想討幻経, Danmaku Unlimited 3, Touhou Danmaku Kagura Phantasia Lost, and Touhou Endless Dream.
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