So, Sandbox Gmod allows lots of creativity, there are many elements that you can alter and modify. This is a physics engine and graphical editors that allow players to make maps and play them with different modes.
Gmod sandbox is free download for PC, Mac, Linux now. The game was first released in 2006 but after decade of development, it has been updated with several new features.
Garry's Mod is a sandbox game originally created by Garry Newman.
