Now that you have activated it will Machine will act as a trap/soul box. Interact with it, by doing so you will active the D.I.E Machine inside.
#Cold war die maschine easter egg crack
Once you’ve reached the Living Room you will see a crack in the wall with a glowing blue light inside it. Now with the D.I.E Remote Control collected from the computer make your way into the Living Room in the Nacht Building. Upon inserting the keycard and picking up the Remote Control now make your way to the spawn area. There will be a smaller room with a mystery box location in it, in this room you will find the computer that you need to insert the keycard into. (Make sure you pick it up upon killing them) After obtaining the keycard make your way to the Weapons Lab which can be found in the Facility Building. After it splits you will need to kill both of them and one of them will drop a golden key card. Once it spawns you will need to kill it and make it split.
If you decide to obtain it through the Easter Egg you will need to wait till a Megaton enemy spawns. One doing the Easter Egg steps, second you can obtain it out the box, and third you can do the coffin dance side Easter Egg and have a change to obtain it. Obtain the D.I.E Shockwave Wonder Weapon – After turning the power on and building the Pack-A-Punch you will now need to obtain the D.I.E Shockwave Wonder Weapon.You can now build the Pack-A-Punch and Pack your weapons. Before you leave the room make sure you pick up the Machine Part for the Pack-A-Punch. After you make your way to the end of the tunnel you will appear in a tiny room. After entering the Dark Aether you will see the Aether Tunnel appear somewhere on the map. Interact with the anomaly which will take you to the Dark Aether. There will be a anomaly in place of the Pack-A -Punch. After you have completed this now make your way where Pack-A-Punch will be in the Particle Accelerator room. You can identify them as they will have red lights and an interactive message will pop up when you get near them. One will be on right and the other on the left from where you hit the first button. Upon hitting the button you will now need to press 2 other buttons in order for the power to come on. (Follow the purple arrows) Open the door and you will see an interactive button to turn on power. Turn On Power and Activate Pack-A-Punch – For the Start of the Easter Egg you will need to make way to the Particle Accelerator area and head to the back top area from which you entered the room.