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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.
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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Rat Musou is a top-down action survival game where you play as a lone exterminator armed with a chemical backpack sprayer. Endless waves of rats swarm from all directions — dodge, spray, and unleash powerful skills to hold your ground.
Battle through five themed arenas: grimy sewers, chaotic night markets, a bustling food court, a neon cyberpunk district, and a frenzied Japanese summer festival. Each arena brings new rat types and escalating danger.
Key Features:
Diverse rat enemy types, each with distinct behaviors
Powerful BOSS rats with increasing difficulty
