Steam link: https://store.steampowered.com/app/4000/
Short Description: 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.
Platforms: Windows Mac Linux
Developer: Facepunch Studios
Release: Nov 29, 2006 (13 years, 12 months ago)
Tags: Action Adventure Animation & Modeling Building Comedy Co-op First-Person FPS Funny Indie Massively Multiplayer Mod Moddable Multiplayer Online Co-Op Physics Sandbox Shooter Simulation Singleplayer
Genres: Indie, Simulation
Revenue Estimate: ~$100 million