Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Defeat five enemies in a row using stealth attacks

Defeat 30 enemies with the Mk-NDI

Defeat 30 enemies with the G-MAL

Defeat 50 enemies with hand-to-hand combat

Make five enemies drop their grenade by shooting them

Defeat 20 enemies with hand-to-hand combat

Finish the game in Easy Mode

Find 20 treasures

Defeat 50 enemies with the Dragon Sniper

Defeat three enemies with one explosion

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 100 enemies with headshots