Choose M.A.R.S.
Choose M.A.R.S. if you want a Massively Multiplayer and Free To Play game with MMO. On Steam, it's free to play, so the barrier to trying it is zero. M.A.R.S. launched in 2021.
M.A.R.S. vs Alien Dawn
M.A.R.S. and Alien Dawn both land in Action 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 are Action games on Steam. Both released in 2021. Alien Dawn scores higher on Steam reviews (60.6% positive) than M.A.R.S. (49.1% positive). 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 Alien Dawn
Choose Alien Dawn if you want an Indie and Early Access game with Tracked Controller Support and VR Supported. Alien Dawn launched in 2021.
Both M.A.R.S. and Alien Dawn sit in Action on Steam and both list Multi-player, Online PvP, and Online Co-op, 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
 M.A.R.S. |  Alien Dawn | |
|---|---|---|
| Released | 2021 | 2021 |
| Genres | Action, Massively Multiplayer, Free To Play | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | Free to play | 13.99 USD |
| Steam reviews | 49.1% positive (348 reviews) | 60.6% positive (66 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | YingPei Games | VoyagerVR |
Side by side
- Both are Action games on Steam.
- Both released in 2021.
- Alien Dawn scores higher on Steam reviews (60.6% positive) than M.A.R.S. (49.1% positive).
- M.A.R.S. is free; Alien Dawn is paid (13.99 USD).
- Both support cooperative play.
- M.A.R.S. is Deck Unsupported on Steam Deck; Alien Dawn has no Deck rating yet.
M.A.R.S. vs Alien Dawn — FAQ
- Are M.A.R.S. and Alien Dawn similar?
- They overlap on Action 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.
- Do both M.A.R.S. and Alien Dawn have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: M.A.R.S. ships Online Co-op, Co-op; Alien Dawn ships Online Co-op, Co-op.
- Is M.A.R.S. free?
- Yes — M.A.R.S. is a free-to-play Steam title. Alien Dawn is paid (13.99 USD).