Buy Garry's mod 10 off of steam.
technically yes, there were a few updates it is still called Garrys mod 10 though
Garry's Mod 10
It depends on what the player does i guess But its mostly what Half Life 2 is rated If the player has counterstrike source also installed the content (Characters and guns) gets transferred to garrys mod so they can play around with it in the game, it depends on a few factors (1) what will they do? (2) what other games that rely on the source engine do they have installed? (3) what do you think is suitable for them in garrys mod, they are only limited by their imagination, in Garrys Mod you can build pretty much anything, and i mean anything
no because garrys mod requires that you have a game that uses the source engine
Garry's Mod has now updated and includes all features of 13 Beta
Garry's mod tornado
Steam
yes
You Do Not Get Garrys Mod Serials, You Buy it Off Of Steam Which can be found at steampowered.com its usually about 21 United States Dollars
E
There is, 10$ Steam