Ha, I love how steam shows L4D2 as "local co-op" but doesn't specify that you need to edit config files and input a bunch of console commands to get the glitchy setup to work. Much win valve. Much win. I bought the game for the sole reason of local co-op....and have to jump through a ♥♥♥♥♥♥♥♥ of hurtles every time I wanna play it this way. ♥♥♥♥♥ that bullish.