Play 10 Multiplayer games using each class.

Complete 5 weapon challenges.

Complete 10 armor challenges.

Get 250 Headshots.

Kill 500 enemies using Melee weapons.

Defeat ten enemies in a row with a single punch, after softening them up with gunfire

Find 90 treasures

Find 70 treasures

Find 60 treasures

Find 50 treasures

Reach Level 25

Complete 50 Misc Objectives