Choose GeminiArms
Choose GeminiArms if you want an Indie and Casual game with Multi-player, Shared/Split Screen Co-op, and Co-op. On Steam, it has co-op, so you can bring a friend. GeminiArms launched in 2019.
GeminiArms vs GAT RAT
GeminiArms and GAT RAT both land in Action 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 are Action games on Steam. GeminiArms (2019) is 6 years older than GAT RAT (2025). GAT RAT is currently ~47% cheaper on Steam than GeminiArms (7.99 USD vs. 14.99 USD). 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 GAT RAT
Choose GAT RAT if you want the Camera Comfort, Custom Volume Controls, and Playable without Timed Input side of the pairing. On Steam, it's currently about 47% cheaper on the Steam Store. GAT RAT launched in 2025.
Both GeminiArms and GAT RAT sit in Action 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
 GeminiArms |  GAT RAT | |
|---|---|---|
| Released | 2019 | 2025 |
| Genres | Action, Indie, Casual | Action |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 14.99 USD | 7.99 USD |
| Steam reviews | 3 reviews | 100% positive (12 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | TERARIN GAMES | Dark Snow Games |
Side by side
- Both are Action games on Steam.
- GeminiArms (2019) is 6 years older than GAT RAT (2025).
- GAT RAT is currently ~47% cheaper on Steam than GeminiArms (7.99 USD vs. 14.99 USD).
- GeminiArms has co-op; GAT RAT does not.
GeminiArms vs GAT RAT — FAQ
- Should I play GeminiArms or GAT RAT first?
- If you want chronology, GeminiArms (2019) came out before GAT RAT (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 GeminiArms and GAT RAT similar?
- They overlap on Action 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 GAT RAT have multiplayer like GeminiArms?
- No. GeminiArms supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while GAT RAT is listed as single-player only.