Defeat 70 enemies with the M4

Defeat 100 enemies with headshots

Defeat 75 enemies in a row without dying

Defeat 20 enemies with gunfire by aiming while hanging

Defeat three enemies with one explosion

Defeat 50 enemies with stealth attacks

Defeat 50 enemies with hand-to-hand combat

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

Defeat five Riot Shield enemies by running over their shield

Perform a Diving Header Clearance

Win Arcade Tag Ladder with robot Sektor and Cyrax

Complete all Test Your Strike mini-game challenges

Discover and fight Hidden Kombatant 2 in Arcade Ladder