Reach max Street Cred.

Kill or incapacitate 2 enemies with the same sniper rifle shot.

Steal the Relic.

Kill or incapacitate an enemy who threw a grenade at you.

Complete the game in explorer mode

Pull 20 enemies over when hanging from a ledge

Play with the lemur in the market and let it steal your apple

Stealth take-down 30 enemies

Defeat 20 enemies with headshots

Hit all targets in the attic with the toy gun

Finished the final investigation.

Discovered the marriage of the yakuza and the nurse.