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

Finish the game in Normal Mode

Defeat 100 enemies with headshots

Defeat 50 enemies with the Dragon Sniper

Defeat 50 enemies with the Micro - 9mm

Defeat 30 enemies with the Wes - 44

Defeat 50 enemies with stealth attacks

Finish the game in Easy Mode

Defeat 30 enemies with the Desert - 5

Defeat 20 enemies by shooting from the hip (without aiming with L1)

Find 20 treasures

Defeat 20 enemies with gunfire by aiming while hanging