Choose Celtreos
Choose Celtreos if you want the Shared/Split Screen Co-op, Stereo Sound, and Mouse Only Option side of the pairing. On Steam, it has co-op, so you can bring a friend. Celtreos launched in 2019.
Celtreos vs Mooncall
Celtreos and Mooncall both land in Action, Indie 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 on Steam. Celtreos (2019) is 7 years older than Mooncall (2026). Mooncall is currently ~0% cheaper on Steam than Celtreos (9.99 USD vs. 9.99 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 Mooncall
Choose Mooncall if you want the Shared/Split Screen PvP, PvP, and Color Alternatives side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Mooncall launched in 2026.
Both Celtreos and Mooncall sit in Action and Indie on Steam and both list Multi-player, Shared/Split Screen, and DualShock Controller Support, 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
 Celtreos |  Mooncall | |
|---|---|---|
| Released | 2019 | 2026 |
| Genres | Action, Indie | Action, Indie |
| Platforms | macOS | Windows, macOS, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 9.99 USD |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player |
| Developers | Kevin M. Grant | Kuukkeli Games |
Side by side
- Both share Action, Indie on Steam.
- Celtreos (2019) is 7 years older than Mooncall (2026).
- Mooncall is currently ~0% cheaper on Steam than Celtreos (9.99 USD vs. 9.99 USD).
- Celtreos has co-op; Mooncall does not.
Celtreos vs Mooncall — FAQ
- Should I play Celtreos or Mooncall first?
- If you want chronology, Celtreos (2019) came out before Mooncall (2026). 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 Celtreos and Mooncall similar?
- They overlap on Action, Indie 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.