Call of Duty Infinite Warfare: How to Unlock Pack-a-Punch (Zombies in Spaceland)

This guide shows you how to unlock Pack-a-Punch in Call of Duty Infinite Warfare (Zombies in Spaceland) and turn on the Power. See the video below for a full walkthrough.

To unlock Pack-a-Punch you must first activate the 4 power switches and 4 portals across the map. Once you have activated the power you can use the portals. Jump through each portal and you will return to the center of the map. After jumping through all 4 portals you can use the teleporter in the center to go to the Projection Room. In here you find the Pack-a-Punch machine. You need 5000 points to upgrade your weapon.
There are 2 portals in district Oddysey into Space, 1 in Kepler System, 1 in Polar Peak.

1. Oddysey Into Space #1: In the arcade room, check for power switch on the wall. Portal is right next to the power switch.
2. Oddysey Into Space #2: Follow the path behind the DJ. Then backtrack to the DJ to find the portal.
3. Kepler System: When you come from the center of the map you must open the first door on the left in Kepler district and go upstairs. Power switch is on the wall. Go back downstairs for the portal.
4. Polar Peak: Upstairs in the Polar Peak district. Must unlock a door to get upstairs, then find power switch on the wall. Now go back downstairs to find the portal.

You can be done with this by round 6-8 if you open only the required doors.