Left 4 Dead 2

Left 4 Dead 2 (often shortened to L4D2) is a zombie-killing, first-person shooter game developed by Valve Corporation. The game is the sequel to Left 4 Dead.

The game takes place in a post-apocalyptic zombie pandemic setting, the aim of the game is to get from 'Point A' to 'Point B' whilst fighting your way through standard 'walker' zombies and a variety of special, mutated zombies.

Simon and Lewis  made a two-part 'series' on Left 4 Dead 2 in October 2010. Since then they have played a Minecraft modded map for the game and the Questionable Ethics mod.