Choose Mars Quest
Choose Mars Quest if you want a Casual game with Online Co-op, LAN Co-op, and Co-op. On Steam, it has co-op, so you can bring a friend. Mars Quest launched in 2021.
Mars Quest vs Krieg
Mars Quest and Krieg 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. Mars Quest (2021) is 5 years older than Krieg (2026). Mars Quest has co-op; Krieg does not. 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 Krieg
Choose Krieg if you want an Early Access experience. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Krieg launched in 2026.
Both Mars Quest and Krieg sit in Action and Indie on Steam and both list Multi-player, Online PvP, and LAN PvP, 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
 Mars Quest |  Krieg | |
|---|---|---|
| Released | 2021 | 2026 |
| Genres | Action, Indie, Casual | Action, Indie, Early Access |
| Platforms | Windows, macOS | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 1.99 USD | Price unknown |
| Steam reviews | 2 reviews | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Cross-Platform Multiplayer |
| Developers | JRC | EliteInterapptive |
Side by side
- Both share Action, Indie on Steam.
- Mars Quest (2021) is 5 years older than Krieg (2026).
- Mars Quest has co-op; Krieg does not.
Mars Quest vs Krieg — FAQ
- Should I play Mars Quest or Krieg first?
- If you want chronology, Mars Quest (2021) came out before Krieg (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 Mars Quest and Krieg 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.