Did you do the "Tier" thing ie when you get to level 30 you can rank up or actually rank down in Tiers, you start at level 50 which is easiest and come down to level 1 the further you go the game gets harder ie at about level 38 you end up playing at the hardest level....one shot usually puts you down, instead of just getting points everytime you gain a rank, you earn rewards instead, like extra supplies or weapons or headsets etc..stuff like that, i am down to level 36 at the moment, i am just going around the regions where i hav taken out the bosses and am now just picking up all the weapons and accessories etc, hey Rob have you tried the multiplayer yet, i am wanting to try it but at the same time wanting to finish the missions first.