Launch the client and create a Steam account.Like classic game modes like Pedobear are dead but Darkrp and TTT and others are thriving well! Singleplayer (or small server with friends) sandbox, arguably the purest and best form of gmod, is better than ever. It depends on what game mode you want to play. You might be interested: How To Play Fast Cars On Guitar? Is Garry’s Mod worth it 2020? Please note: Some multiplayer servers and game-modes might require you to own other games – such as Counter-Strike: Source and Team Fortress 2. Take as much or as little as you need: it’s all free. It is widely popular and recommended to also purchase Half-Life 2 or one of the other Source Engine games that will give you a lot more models and freedom to create whatever you want. Using Steam, you can purchase Garry’s Mod and play it. The minimum requirement to play Garry’s Mod is Steam (from Valve). 14 What age is Garry’s Mod appropriate for?.13 What happens if a game source code is leaked?.6 How do you install Garry’s Mod for free?.1 What do you need to play Garry’s Mod?.