Finish the game in Easy Mode

Defeat 70 enemies with the M4

Defeat 100 enemies with headshots

Defeat three enemies with one explosion

Find ten treasures

Defeat 30 enemies with the Moss - 12

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with hand-to-hand combat

Defeat Daedalus; complete the single player Campaign.

Defeat a Marauder in the single player Campaign.

Defeat the swarm in the single player Campaign.

Kill 50 enemies using the Wraith with the force barrier engaged in the single player Campaign.