Reach full negative Karma.

Collect all Dead Drops in the Warren.

Take down 25 enemies while riding on the roof of a moving vehicle.

Get 100 High Fall take downs.

Kill 50 enemies by using water.

Thunder Drop for a total distance of at least 500 meters.

Defeat Sasha.

Ride the train for 2 kilometers.

Bio Leech 100 enemies.

Take down 100 enemies while they are airborne.

Purchase every upgrade for a single power.

Bad guys love starting riots.