Defeat 20 enemies while swimming

Obtain the Dagger of Time

Defeat ten enemies with grenades by aiming while hanging

Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks

Defeat five Riot Shield enemies by running over their shield

Defeat 30 enemies with the SAS - 12

Defeat 30 enemies with the Tau Sniper

Defeat 50 enemies with stealth attacks

Hit three enemies with fish in the market

20 times in a row, pick up ammo while rolling

Find 40 treasures

Finish the game in Normal Mode

Defeat 100 enemies with headshots