Left 4 Dead 2 is still easily one of the best co-op FPS games you can play today. With the witty character banter, the invisible ‘Director’ AI who keeps every wave of zombies feeling fresh, and the ease at which you can jump into the action, L4D2 stands tall all these years later. So if it’s been a few years and you fancy diving back in, or if you’ve never played a Left 4 Dead game and want to experience it for yourself, now’s your chance. You can play Left 4 Dead 2 for free on Steam for a limited time, and grab it at a significant discount afterward. Continue reading You can play Left 4 Dead 2 for free right now, but you’ve not got long MORE FROM PCGAMESN: Left 4 Dead 2 Requirements