[W] HL2 Deathmatch [H] Half Life 2, HL 2: Lost Coast, F.E.A.R. 2: Project Origin, F.E.A.R. 3

I bought Half Life 2 because I wanted to play multiplayer. Actually needed HL2 Deathmatch. Doh! Anyone able to help me out? I would entertain other offers, but this is the most convenient.