Complete all Act 2 maps on Nightmare difficulty.

Use a Smoke Grenade to become hidden while at Critical Health.

Cleared "Make a Star 6."

Cleared "Make a Star 4."

See the alternative ending on any difficulty mode.

Fully upgrade all weapons and equipment.

Pursue Nicole's investigation.

Create the Master Security Override.

Survive the Shooting Gallery.

Kill 30 enemies with the Pulse Rifle.

Kill 30 enemies with the Line Gun.

Kill 30 enemies with the Ripper.

Kill 30 enemies with the Flamethrower.