Escape a Reaper in the galaxy map.

Modify a weapon.

Chase down an assassin.

Finish the game in Hard Mode

Finish the game in Easy Mode

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

Defeat 30 enemies with the M9

Defeat 30 enemies with the Mk-NDI

Find 20 treasures

Defeat 20 enemies with gunfire by aiming while hanging

Make five enemies drop their grenade by shooting them

Defeat five enemies in a row using stealth attacks