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

Defeat ten enemies with grenades by aiming while hanging

Defeat ten enemies in a row with hand-to-hand combat

Complete one Competitive Multiplayer game

Defeat 50 enemies with the M32 - Hammer

Defeat five enemies in a row with headshots

Defeat 250 enemies with headshots

Defeat 70 enemies with the FAL

Defeat 30 enemies with the Wes - 44

Finish the game in Easy Mode

Find all 100 treasures

Defeat 50 enemies with stealth attacks