Choose Repetendium
Choose Repetendium if you want an Early Access game with Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op. On Steam, it's currently about 45% cheaper on the Steam Store. Repetendium launched in 2022.
Repetendium vs Kill A Million Rats
Repetendium and Kill A Million Rats both land in Action, Indie, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Indie, Adventure on Steam. Repetendium (2022) is 3 years older than Kill A Million Rats (2025). Repetendium scores higher on Steam reviews (94.4% positive) than Kill A Million Rats (87.1% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Kill A Million Rats
Choose Kill A Million Rats if you want a Strategy experience. On Steam, it's the newer release (2025) and ships with the modern feature baseline. Kill A Million Rats launched in 2025.
Both Repetendium and Kill A Million Rats sit in Action, Indie, and Adventure on Steam and both list Steam Leaderboards, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Repetendium |  Kill A Million Rats | |
|---|---|---|
| Released | 2022 | 2025 |
| Genres | Action, Indie, Adventure, Early Access | Action, Strategy, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 5.99 USD | 10.99 USD |
| Steam reviews | 94.4% positive (125 reviews) | 87.1% positive (31 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | Bearlex Games | Nerdook Productions |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Repetendium (2022) is 3 years older than Kill A Million Rats (2025).
- Repetendium scores higher on Steam reviews (94.4% positive) than Kill A Million Rats (87.1% positive).
- Repetendium is currently ~45% cheaper on Steam than Kill A Million Rats (5.99 USD vs. 10.99 USD).
- Repetendium has co-op; Kill A Million Rats does not.
Repetendium vs Kill A Million Rats — FAQ
- Should I play Repetendium or Kill A Million Rats first?
- If you want chronology, Repetendium (2022) came out before Kill A Million Rats (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Repetendium and Kill A Million Rats similar?
- They overlap on Action, Indie, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does Kill A Million Rats have multiplayer like Repetendium?
- No. Repetendium supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Kill A Million Rats is listed as single-player only.