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.

Do we both need to own Garry's Mod to play together?

Yes. Garry's Mod is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Garry's Mod?

About 18,400 players were in-game when this page's data was last refreshed (2026-09-09).

Can you play Garry's Mod on LAN?

Yes. Steam lists LAN co-op and LAN PvP for Garry's Mod, so it works on a local network without the game's online servers.

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.

How Garry's Mod plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Yes
Cross-platform multiplayer (Windows / Mac / Linux): Yes
Single-player mode: Yes
Mods: Steam Workshop

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

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.

Or open the Steam store page.

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Human Fall Flat

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Totally Accurate Battle Simulator

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Brick Rigs

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Trailmakers

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Wobbly Life

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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.
Do we both need to own Garry's Mod to play together?: Yes. Garry's Mod is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Garry's Mod?: About 18,400 players were in-game when this page's data was last refreshed (2026-09-09).
Can you play Garry's Mod on LAN?: Yes. Steam lists LAN co-op and LAN PvP for Garry's Mod, so it works on a local network without the game's online servers.

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; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass