>enemies blend into the background because the colour pallet is so lifeless
>has all these special abilities (perks?) and doesn't explain how to use them
Sure.
Don't even get me started on the abomination that was the multiplayer.
One thing I will commend the game on: it was very slick and cinematic. The opening sequence was brilliant and shooting generic Russian villain at the end was, for a long time, the most cinematic moment in my gaming life. All Ghillied Up was one of the best levels of any of that sublime glut from 2007, including The Orange Box, BioShock and Halo 3.