Garrys-mod-multiplayer -

A classic hide-and-seek variant where one team disguises themselves as everyday props (like chairs or barrels) and the other team must find and destroy them.

The default mode where players use the Physics Gun and Tool Gun to build contraptions, experiment with ragdolls, or create collaborative scenes without strict objectives.

As of April 2026, remains a powerhouse in the multiplayer landscape, sustaining a consistent player base of over 30,000 concurrent users on Steam. Its longevity is driven by a virtually limitless library of community-created content that transforms the base physics sandbox into thousands of distinct game types. Popular Multiplayer Game Modes garrys-mod-multiplayer

A game of deception where a group of "Terrorists" must figure out who among them are "Traitors" before they are all eliminated.

Multiplayer in GMod is defined by "Game Modes"—community-built rule sets that dictate how the world and players behave. A classic hide-and-seek variant where one team disguises

There are several ways to join or host a multiplayer session in 2026: How to Play With Friends in Garrys Mod (Gmod) - 2025

A social roleplay framework where players take on jobs (e.g., Mayor, police officer, shop owner) to earn money and build a virtual life. Its longevity is driven by a virtually limitless

Emerging and niche modes include SCP: Lost Control (based on the SCP foundation), Zombie Survival , and various Star Wars RP servers. How to Play with Friends