Recent content by AnubisNL

Ok and now I have my own cd key (the original) and a purchuased version of half life but now it says I have an invalid cd key and I'm sure I typed it right.But some friend of mine borrowed it earlier with my cd key could that be the problem?? I wanna play this game, but every time something...

Ok so I got a Botpack 4.1 and steam, but how do you play offline cause if I start the game it's the same as wanting to play online because I'm stopped by that browse games menu.(I have an original Half life from my friend but not an original cd key, someone borrowed my original game with the cd...