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Last 7 days · history since Nov 1, 2026
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100% positive of 1 · 1 user reviews · Live from Steam
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A top-down action survival game. Wield a chemical sprayer against relentless rat hordes across five themed arenas — sewers, night markets, a cyberpunk district, and more. Unleash powerful skills, challenge epic BOSS rats, and see how long you can hold the line.
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Review score: 100% on 2026-11-02 → 100% today (1 reviews)
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Thank you for sharing your feedback on Rat Musou. This update focuses on clearer combat, more rewarding upgrades, smoother menus, and a more atmospheric Taipei at night. Combat and survival - Dash no longer consumes spray fuel, so an empty tank will not preven…
Rat Musou v0.2.07 is now live. This is a small quality-of-life update for desktop players. - The game window now opens maximized on launch - The play area fits the current screen size immediately, without needing to manually resize the window - The existing re…
Rat Musou v0.2.06 is now live. This is a small fix update focused on the Windows version. - Fixed the Title screen layout being pushed out of place on Windows - Fixed Mission Briefing and other HUD screens using incorrect safe-area margins on desktop - Safe-ar…
Rat Musou v0.2.05 is now live. - Added Stage 6: Laboratory - Added the new Stage 6 boss, Prototype-X - Prototype-X brings new attacks: corrosive claw, poison spray, jump slam, and a deadly red death ray - Added the Stage 6 clear achievement - Fixed the ending …
Fixed an iOS issue where the Helicopter Shop Next Stage button could fail to respond. Improved shop Gold/HP visibility and spacing.