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

Find the Strange Relic

Finish the game in Normal Mode

Defeat 30 enemies with the Tau Sniper

Defeat 30 enemies with the Mk-NDI

Defeat 100 enemies with headshots

Defeat 30 enemies with the KAL 7

Find 60 treasures

Defeat 50 enemies with hand-to-hand combat

Make five enemies drop their grenade by shooting them

Defeat five enemies in a row with headshots

Platinum