Choose CPU Invaders
Choose CPU Invaders if it's a focused single-player run rather than a multiplayer commitment. CPU Invaders launched in 2017.
CPU Invaders vs GeminiArms
CPU Invaders and GeminiArms both land in Indie, Casual 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 Indie, Casual on Steam. CPU Invaders (2017) is 2 years older than GeminiArms (2019). GeminiArms is currently ~50% cheaper on Steam than CPU Invaders (14.99 USD vs. 29.99 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 GeminiArms
Choose GeminiArms if you want an Action game with Multi-player, Steam Leaderboards, and Shared/Split Screen Co-op. On Steam, it's currently about 50% cheaper on the Steam Store. GeminiArms launched in 2019.
Both CPU Invaders and GeminiArms sit in Indie and Casual on Steam, 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
 CPU Invaders |  GeminiArms | |
|---|---|---|
| Released | 2017 | 2019 |
| Genres | Indie, Casual | Action, Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 29.99 USD | 14.99 USD |
| Steam reviews | 83.6% positive (171 reviews) | 3 reviews |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Microblast Games | TERARIN GAMES |
Side by side
- Both share Indie, Casual on Steam.
- CPU Invaders (2017) is 2 years older than GeminiArms (2019).
- GeminiArms is currently ~50% cheaper on Steam than CPU Invaders (14.99 USD vs. 29.99 USD).
- GeminiArms has co-op; CPU Invaders does not.
CPU Invaders vs GeminiArms — FAQ
- Should I play CPU Invaders or GeminiArms first?
- If you want chronology, CPU Invaders (2017) came out before GeminiArms (2019). 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 CPU Invaders and GeminiArms similar?
- They overlap on Indie, Casual 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 CPU Invaders have multiplayer like GeminiArms?
- No. GeminiArms supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while CPU Invaders is listed as single-player only.