As all you Capcom fans know, we here at the zombie-proof Capcom fortress are the leaders in all things undead videogame related. We’re always happy when our competitors look at what we do and try do do something new and different. That’s what keeps us on our toes. We’re even happier when they acknowledge us, as Left 4 Dead has done with their achievements.

We had endless fun planning the achievements for Dead Rising on the 360 and, if feedback is any indication, you guys seemed to love them too. One of the hardest to get was the Zombie Genocide achievement, that required you to kill the entire population of Willamette: 53,594 shambling brain eaters.

So, in a game of one upmanship, Left 4 Dead has the following achievement:

So, horrible english aside, the gauntlet has been thrown. Where will it end?