Is Garry's Mod co-op?

Yes, Garry's Mod supports co-op.

Does Garry's Mod have PvP?

Yes, Garry's Mod has player-versus-player modes.

How many people play Garry's Mod?

About 18,400 players were in-game when this page was built (2026-09-08).

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

Multiplayer games › Sandbox & building › Physics sandbox

Is Garry's Mod multiplayer or co-op?

Yes — co-op and PvP. Garry's Mod is a physics sandbox game released in 2006, 97% positive on Steam (1,159,707 reviews), with 18,400 playing right now. $4.99 on Steam.

Co-opPvPSingle-player tooSandbox & building · Physics sandbox

Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

Steam tags: Sandbox, Moddable, Multiplayer, Physics, Building, Casual, Funny, First-Person

Do you and a friend both own Garry's Mod?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Garry's Mod 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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Trailmakers

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Wobbly Life

Physics sandbox · 97% positive on Steam (26,940 reviews) · 625 playing right now

Tired of Garry's Mod? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Garry's Mod co-op?: Yes, Garry's Mod supports co-op.
Does Garry's Mod have PvP?: Yes, Garry's Mod has player-versus-player modes.
How many people play Garry's Mod?: About 18,400 players were in-game when this page was built (2026-09-08).

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 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.