Finish the game in Normal Mode.

Defeat 100 enemies with headshots.

Defeat 30 enemies with the Wes - 44.

Defeat 75 Enemies in a row without dying.

Defeat 20 enemies with gunfire by aiming while hanging.

Awarded for joining your first [Online Community].

Finish the game in Easy Mode

Defeat 30 enemies with the Tau Sniper

Defeat 30 enemies with the M9

Defeat five enemies in a row with headshots

Defeat 30 enemies with the Arm Micro

Find 20 treasures