Does M.A.R.S. have PvP?

Yes, M.A.R.S. has player-versus-player modes.

How many people play M.A.R.S.?

About 30 players were in-game when this page was built (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Vehicle combat › Mechs

Is M.A.R.S. multiplayer or co-op?

Yes — co-op and PvP. M.A.R.S. is a mechs game released in 2021, 63% positive on Steam (1,090 reviews), with 30 playing right now. Free on Steam.

Co-opPvPVehicle combat · Mechs

MARS is a Free-To-Play Third Person Shooter set in an evolving sci-fi world. From the hilarious Headhunter mode, to Huge Mecha vs Mecha battles, to fully…

Steam tags: Third-Person Shooter, PvE, PvP, Competitive, Shooter, Character Customization, Female Protagonist, Third Person

Do you and a friend both own M.A.R.S.?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether M.A.R.S. is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Compare our libraries Steam store page

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Tired of M.A.R.S.? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is M.A.R.S. co-op?: Yes, M.A.R.S. supports co-op.
Does M.A.R.S. have PvP?: Yes, M.A.R.S. has player-versus-player modes.
How many people play M.A.R.S.?: About 30 players were in-game when this page was built (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation.