Defeat ten enemies with grenades by aiming while hanging

Find 90 treasures

Find 80 treasures

Find 70 treasures

Defeat 100 enemies with headshots

Defeat 70 enemies with the M4

Find 60 treasures

Find 50 treasures

Defeat 20 enemies with gunfire by aiming while hanging

Find 30 treasures

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

Defeat 20 enemies with hand-to-hand combat