Defeat 30 enemies with the Desert - 5

Defeat 70 enemies with the FAL

Defeat 50 enemies with the Micro - 9mm

Finish the game in Easy Mode

Finish the game in Hard Mode

Defeat five enemies in a row with headshots

Find 50 treasures

Defeat 20 enemies with a single punch, after softening them up with gunfire

Defeat 100 enemies with headshots

Find 40 treasures

Find 30 treasures

Get 100 Melee Kills in Deathmatch or Elimination games

Defeat 20 enemies with gunfire by aiming while hanging