Defeat 50 enemies in a row without auto-reloading

Defeat ten enemies with propane or acetylene tank explosions

Defeat 30 enemies with the KAL 7

Find 60 treasures

Hit three enemies with fish in the market

Defeat ten enemies with grenades by aiming while hanging

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

20 times in a row, pick up ammo while rolling

Defeat five Riot Shield enemies by running over their shield

Find 40 treasures

Defeat 30 enemies with the Mag 5

Defeat five enemies in a row using stealth attacks

Defeat ten enemies in a row, alternating hand-to-hand combat and gunplay