Use a Karmic Streak attack to defeat exactly one enemy

Complete Showdowns in half of the districts

Bust 10 drug dealers

Destroy 5 cars in 5 seconds

Collect 5000 pieces of salvage.

Collect 25% of all relics.

Find 25% of all documents.

Kill 25 unaware enemies.

Kill 50 enemies with the bow.

Force an enemy to drop dynamite that kills two people when exploding.

Kill 35 enemies with the pistol.

Defeat the nine Valkyries

Collect all of the Artifacts