Fully mod a weapon.

You repo'd a car and raced it through the heart of a sun-soaked metropolis.

Performed a 50-hit combo.

Saw all Secret Factors.

Finished a match with Team Ultimate Jutsu.

Single Player: Perform 20 Stealth Kills without alerting nearby enemies

Bought a seriously expensive car.

Single Player: Kill 25 enemies while supercharged

Finish the campaign in any difficulty

Single Player: Kill 25 enemies using only the Nanosuit's enhanced powers instead of guns

Single Player: Kill 10 enemies in a single Supercharge boost

Single Player: Rip off and use all alien weapon types

Complete Safeties Off