i prefer predators, its the only campaign on nightmare that i actually enjoy because its much more realistic like the films
marines arent too bad but the aliens are just a pain.
Gears 3 : Seriously 3 - 14,000 kills to go
Gears 2 : 100/100 (not from stupid exp events)
Gears 1 : seriously achieved 15/8/2010 - 11523 kills