Rat Musou
About this game
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
Achievements
View all 16 →
No Supplies Needed
14.2%Clear every campaign stage in one run without buying cheese or upgrades.
Hazard Pay
21.4%Collect 500 total gold.
Thousand Rat Night
21.4%Defeat 1,000 rats across all runs.
No Crown Survives
28.5%Clear Boss Rush.
City Line Held
35.7%Clear Stage 3.
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.