Garry's Mod by Facepunch Studios

Played by deadpoolts

GMod Tower is a unique community-based lobby with centralized multiplayer games. It is a modification within Valve's Source Engine. GMod Tower is a collection of various online multiplayer games that each have different genres of gameplay. Each game can be played with 4-90 players across the globe and are complete modifications of the Source engine. The lobby aspect is what makes it all work. Players connect to a central lobby server and group up with other players to play these multiplayer games. While in the lobby they can also watch Youtube together, buy furniture and items (such as a piano) for their in-game house, customize their look (hats, skins, etc), bet on casino and cards games, play trivia and arcade games, and participate and various daily activities.