Defeat four enemies with one explosion

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

Defeat 30 enemies with the T-Bolt Sniper

Defeat 30 enemies with the Arm Micro

Finish the game in Easy Mode

Defeat 30 enemies with the Mk-NDI

Defeat five enemies in a row with headshots

Defeat 30 enemies with the KAL 7

Make five enemies drop their grenade by shooting them

Find 40 treasures

Defeat 20 enemies with headshots

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

Defeat 75 enemies in a row without dying