Take out a Japanese soldier lying in wait in the grass.

Survive a banzai attack. (Solo only)

Complete one Cooperative Multiplayer game

Finish the game in Easy Mode

Defeat 30 enemies with the T-Bolt Sniper

Defeat 100 enemies with headshots

Defeat 30 enemies with the Mk-NDI

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 30 enemies with the Arm Micro

Make five enemies drop their grenade by shooting them

Successfully counter all of a Brute’s damage-giving attacks

Defeat 20 enemies with hand-to-hand combat

Find the Strange Relic