You Haveto Buy It. On Steam Its 6.99
no because garrys mod requires that you have a game that uses the source engine
no
Off of Steam (10$) (http://store.steampowered.com/)
go to steampowered.com make an account download steam on your computer and then go to the the search bar and type garrys mod and download it it cost $10 you have to have a game source though like half life the cheapest source is half life death match
Y is there a xbox 360 garrys mod
Garrys Mod Is a great game, it has Various Addons and Game Modes, Including Spacebuild, Build, Roleplay, And Much more, But before you buy the game, maybe you should check out some videos on youtube about it, to make sure you really want it. if you do visit SteamPowered.com , Download Steam, and then buy the game with a Source Game. Like Counter Strike: Source.
No
Buy Garry's mod 10 off of steam.
gmod 9, yes gmod 10-no
Go to www.garrysmod.org and download the latest version of DarkRP.
Yes. It is a multiplayer game.
technically yes, there were a few updates it is still called Garrys mod 10 though