59%Good matchHell is Other Demons
93%30193% positive reviews, Very Positive across 301 reviews·Bullet Hell · Action Roguelike
—SEISO is a high-octane bullet hell designed for pure adrenaline. Face relentless waves of enemies, master your reflexes, and climb the global leaderboards in this minimalist, neon-soaked action experience.
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SEISO
SteamAbout SEISO
PURE ACTION, NO FILLER
Dive into the world of SEISO, a minimalist shooter where every micro-movement counts. Built for challenge-seekers, the game combines the precision of classic bullet hells with a sleek, modern aesthetic and fluid gameplay.
KEY FEATURES
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Fast-paced Gameplay: Easy to pick up, but incredibly demanding to master. One hit is all it takes.
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Global Leaderboards: Compete against players worldwide. Do you have what it takes to claim the #1 spot?
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INSANE Mode: For those who think survival is too easy—unlock difficulty tiers that will push your nerves to the breaking point.
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Neon Minimalist Visuals: High visual clarity so you can focus on what matters: the bullets and your survival.
MASTER THE HELL
In SEISO, there is no room for hesitation. Learn enemy patterns, optimize your movement, and prove you have the sharpest reflexes in the community.
Will you achieve the perfect run?
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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