Choose M.A.R.S.
Choose M.A.R.S. if you want a Massively Multiplayer game with MMO. M.A.R.S. launched in 2021.
M.A.R.S. vs GunZ: The Duel
M.A.R.S. and GunZ: The Duel both land in Action, Free To Play 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, Free To Play on Steam. M.A.R.S. (2021) is 5 years older than GunZ: The Duel (2026). Both are free to play. 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 GunZ: The Duel
Choose GunZ: The Duel if you want a Casual experience. On Steam, it's the newer release (2026) and ships with the modern feature baseline. GunZ: The Duel launched in 2026.
Both M.A.R.S. and GunZ: The Duel sit in Action and Free To Play 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. |  GunZ: The Duel | |
|---|---|---|
| Released | 2021 | 2026 |
| Genres | Action, Massively Multiplayer, Free To Play | Action, Free To Play, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | Free to play | Free to play |
| Steam reviews | 49.1% positive (348 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | YingPei Games | Masangsoft |
Side by side
- Both share Action, Free To Play on Steam.
- M.A.R.S. (2021) is 5 years older than GunZ: The Duel (2026).
- Both are free to play.
- Both support cooperative play.
- M.A.R.S. is Deck Unsupported on Steam Deck; GunZ: The Duel has no Deck rating yet.
M.A.R.S. vs GunZ: The Duel — FAQ
- Should I play M.A.R.S. or GunZ: The Duel first?
- If you want chronology, M.A.R.S. (2021) came out before GunZ: The Duel (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 M.A.R.S. and GunZ: The Duel similar?
- They overlap on Action, Free To Play 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 GunZ: The Duel have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: M.A.R.S. ships Online Co-op, Co-op; GunZ: The Duel ships Online Co-op, Co-op.