Score at least 2505 points in a session (Multiplayer).

Finish the game in Normal Mode

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Complete one Cooperative Multiplayer game

Defeat 30 enemies with the M9

Defeat 20 enemies with gunfire by aiming while hanging

Find 20 treasures

Defeat 30 enemies with the KAL 7

Make five enemies drop their grenade by shooting them

Defeat 50 enemies with hand-to-hand combat

Defeat 20 enemies with hand-to-hand combat

Completed Semper Fidelis