Choose Mars Quest
Choose Mars Quest if you want a Casual game with Multi-player, Online PvP, and Online Co-op. On Steam, it's currently about 75% cheaper on the Steam Store. Mars Quest launched in 2021.
Mars Quest vs The Giant Crab in Space
Mars Quest and The Giant Crab in Space 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 4 years older than The Giant Crab in Space (2025). Mars Quest is currently ~75% cheaper on Steam than The Giant Crab in Space (1.99 USD vs. 7.99 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 The Giant Crab in Space
Choose The Giant Crab in Space if you want a Simulation experience. On Steam, it's the newer release (2025) and ships with the modern feature baseline. The Giant Crab in Space launched in 2025.
Both Mars Quest and The Giant Crab in Space sit in Action and Indie 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
 Mars Quest |  The Giant Crab in Space | |
|---|---|---|
| Released | 2021 | 2025 |
| Genres | Action, Indie, Casual | Action, Indie, Simulation |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.99 USD | 7.99 USD |
| Steam reviews | 2 reviews | 2 reviews |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Single-player only |
| Developers | JRC | TensionSplice |
Side by side
- Both share Action, Indie on Steam.
- Mars Quest (2021) is 4 years older than The Giant Crab in Space (2025).
- Mars Quest is currently ~75% cheaper on Steam than The Giant Crab in Space (1.99 USD vs. 7.99 USD).
- Mars Quest has co-op; The Giant Crab in Space does not.
Mars Quest vs The Giant Crab in Space — FAQ
- Should I play Mars Quest or The Giant Crab in Space first?
- If you want chronology, Mars Quest (2021) came out before The Giant Crab in Space (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 Mars Quest and The Giant Crab in Space 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.
- Does The Giant Crab in Space have multiplayer like Mars Quest?
- No. Mars Quest supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Online Co-op), while The Giant Crab in Space is listed as single-player only.