Help please!! I couldnt find the topic

[Dbz player]

What do i have to have to play this game. Do i have to buy anything to play it? Thanks in advance

 

[Mr. Satans]

You need one of the following: Half-Life. Blue Shift Retail (I'm Not 100% Sure It Works w/ ESF), Crap..err Counter-Strike Retail, or DoD Retail (I Think)