A game of deception where a group of "Terrorists" must figure out who among them are "Traitors" before they are all eliminated.
A social roleplay framework where players take on jobs (e.g., Mayor, police officer, shop owner) to earn money and build a virtual life. 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. A game of deception where a group of
Multiplayer in GMod is defined by "Game Modes"—community-built rule sets that dictate how the world and players behave. Popular Multiplayer Game Modes Emerging and niche modes
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
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
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.