Acquire Poseidon’s Rage

Die enough times to get offered Easy mode

Finish the game in Normal Mode

Find 60 treasures

Find 50 treasures

Defeat 50 enemies with stealth attacks

Defeat 30 enemies with the Desert - 5

Defeat 50 enemies with the 92FS - 9mm

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

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

Defeat 30 enemies with the Wes - 44

Find 30 treasures

Find 20 treasures