Rat Musou
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.
Offers
What are keyshops?About Rat Musou
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
Game details
Game details
Age ratings
Game modes
Languages
Features
Rat Musou price history
Lowest tracked price: $4.99 (Jul 7, 2026) · current best: $4.99.
Rat Musou reviews
100% positive reviews all-time.
Rat Musou — frequently asked questions
Where can I buy Rat Musou at the cheapest price?
Right now the cheapest offer for Rat Musou is $4.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Rat Musou has ever been?
The lowest price KingsPrice has tracked for Rat Musou is $4.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How can I get Rat Musou at a discount?
Create a free price alert on this page and KingsPrice will email you when Rat Musou drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5 / AMD Ryzen 5
- Memory: 8192 MB RAM
- Graphics: NVIDIA GTX 960 / AMD RX 480
- Storage: 500 MB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5 / AMD Ryzen 5
- Memory: 8192 MB RAM
- Graphics: NVIDIA GTX 960 / AMD RX 480
- Storage: 500 MB available space
