The list of Xbox 360 Achievements for Left 4 Dead 2 appear to have just "confirmed" the game's two, still-to-be-officially-announced final campaigns and revealed new items, new infected and... clown nose honking?!
The 50 new Achievements, newly listed at Xbox 360 Achievements, don't really venture into spoiler territory-there are no plot points revealed here-but we'll touch on the unrevealed stuff after this, just to appease the sensitive types.
80°
120°
100°
90°
Ad 
210°
10°
20°
10°
20°
20°
