Defeat ten enemies in a row with a single punch, after softening them up with gunfire

Find all 100 treasures

Find 90 treasures

Defeat 250 enemies with headshots

Defeat 30 enemies with the Moss - 12

Defeat 30 enemies with the Desert - 5

Defeat 50 enemies with the Micro - 9mm

Defeat 70 enemies with the FAL

Defeat 30 enemies with the Wes - 44

Finish the game in Easy Mode

Find 30 treasures

Defeat ten enemies in a row with hand-to-hand combat