Choose Mars Quest
Choose Mars Quest if you want the Multi-player, Online PvP, and Online Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. Mars Quest launched in 2021.
Mars Quest vs All Tomorrows: Invasion
Mars Quest and All Tomorrows: Invasion both land in Action, 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 Action, Indie, Casual on Steam. All Tomorrows: Invasion is free; Mars Quest is paid (1.99 USD). Mars Quest has co-op; All Tomorrows: Invasion 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 All Tomorrows: Invasion
Choose All Tomorrows: Invasion if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero.
Both Mars Quest and All Tomorrows: Invasion sit in Action, 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
 Mars Quest |  All Tomorrows: Invasion | |
|---|---|---|
| Released | 2021 | — |
| Genres | Action, Indie, Casual | Action, Indie, Free To Play, Casual |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.99 USD | Free to play |
| Steam reviews | 2 reviews | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Single-player only |
| Developers | JRC | Bluestone |
Side by side
- Both share Action, Indie, Casual on Steam.
- All Tomorrows: Invasion is free; Mars Quest is paid (1.99 USD).
- Mars Quest has co-op; All Tomorrows: Invasion does not.
Mars Quest vs All Tomorrows: Invasion — FAQ
- Are Mars Quest and All Tomorrows: Invasion similar?
- They overlap on Action, 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 All Tomorrows: Invasion have multiplayer like Mars Quest?
- No. Mars Quest supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Online Co-op), while All Tomorrows: Invasion is listed as single-player only.
- Is All Tomorrows: Invasion free?
- Yes — All Tomorrows: Invasion is a free-to-play Steam title. Mars Quest is paid (1.99 USD).