Now that the Xbox 360 achievements for Left 4 Dead 2 have been posted, you can glean a few things you might not have known about the game, as well as get a sense for what features you'll be flexing: dismemberment, a bile bomb, honking clown noses, carnival activities, adrenaline, ammo upgrades, collectible vials of boomer vomit, avoiding witches in the sugar mill, and various aspects of the new scavenger mode.

Read the list here, completely with the iconography.

Also, Gnome Chompski? Oh, Valve. You guys are so cute!