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Kill A Million Rats
A base-building, Roguelike Action/Turn-based Strategy (RATS) game, in a forest invaded by a million Rats. As the powerful Spirit of Vengeance, you must save the adorable Villagers! Explore a randomly generated world, expand your village, and exterminate the Rats!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“Fun little game, all achievements take roughly 18 hours.”
— a player, Steam review · 19 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Update 1.0.0.4 is now available!
Hello everyone! I've been working hard on a big content update for "Kill a Million Rats", and it's finally live! Here's a list of the major changes: New Combat Progression Instead of obtaining a singl
It's Time to Kill a Million Rats!
Hey everyone! The Spirit of Vengeance has awakened, and the Village is under attack... It's time to KILL A MILLION RATS! The game is out now and available for purchase on Steam! It's a fun, action-pac
Kill a Million Rats will be available on 16 January 2025!
Greetings, Villagers: Good news... 'Kill a Million Rats' is now ready for release, and will be launched on 16 January 2025! I've been making games solo for a long time now, releasing my first Flash ga
New Demo Updated! v0.9.8.3
Hello, Villagers! As the Spirit of Vengeance continues his crusade against the Rats, a new update brings the demo to v0.9.8.3 - Animal Guardians and a permanent Tech Tree have been added, each with a
New Demo Uploaded!
THANK YOU for all the feedback you've shared so far! I've made some changes to the demo (now version 0.9.7.3): - Rats now attack daily - Seasons have been shortened to 5 days each - A brand new Magic
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Action, Adventure, Indie, Strategy |
| Player tags | Strategy · Rogue-lite · Base-Building · Rogue-like · Top-Down Shooter · Action · Combat · Adventure · Cats · 2D · Cute · Cartoony (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Cloud · Steam Leaderboards · Family Sharing |
| Languages | English, French, Italian, German, Japanese, Korean, Russian, Simplified Chinese, Spanish - Spain, Malay |
| Controller | Full support |
| Achievements | 20 |
| Official site | http://nerdook-productions.com/ |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 or newer Processor: Processor 2 GHz (Dual Core) Memory: 256 MB RAM Graphics: OpenGL 2.1 compatible 3D graphics card with 256 MB VRAM DirectX: Version 9.0 Storage: 300 MB available space Sound Card: DirectX 9.0c compatible sound card