Step 1: Turn on Power
- Power switch is located to right of the rocket panel, behind a barrier costing 5,000 points.

Step 2: Charge the Soul Boxes (50 Kills Each)
- First soul box is located between the power switch and Quick Revive machine
- Second soul box is located to the left of the mystery box

Step 3: Flip Rocket Power Switch/Buy Ending
- Flip the power switch in the corner of the map near Quick Revive
- Purchase the buyable ending at the rocket panel (100,000 points)

There are 3 dolls around the map that need to be shot for the song to play.

- In the elevated zombie spawn by PaP, on the right side of the spawn on the floor
- In the zombie spawn near Double Tap, down the right side of the hall by some gas cylinders
- In the vent on the ceiling at the Quick Revive corner, viewable from the centrifuge