DER RIESE DECLASSIFIDE complete guide

To activate the electricity, go to the Z-C teleporter door.

To activate the pack-a-punch, you'll need to activate all 3 teleporters. One on the left of the map, one on the right and one behind the electricity panel.
Press your action key on the pannel to the left of the teleporter. A countdown timer will appear at the top left of your screen, giving you 30 seconds to return to the spawn and press your action button again while on the platform.
Do the same for the other 2 teleporters. When you've finished the 3 teleporters, the door to the spawn will be fully opened to reveal the pack-a-punch.

The first piece located in the room below the Z-B teleporter.
The three possible locations are either next to the staircase, next to the Thompson or on the floor below graf ''help''
The second room is in the Z-A teleporter building.
The three possible locations are in the washbasin opposite the teleporter door, on the floor in front of the zombie entrance to the teleporter door or to the left of the msytery box.
The last piece is recovered when the Easter Egg is teleported for the first time.

You'll find the first coin when you first teleport the Easter Egg.
And the second during the second teleportation

There are 2 crafting tables.
One on the floor above the furnaces.

And another in the quick revive room next to the Z-C teleporter.

The first secret music you can find is "Beauty of Annihilation - Elena Siegman".
You need to interact with 3 green jars.
The first is in the room next to the Z-B teleporter.
The other two are at the back of the Z-A teleporter building.

To upgrade your grenades, you'll need to blow up 7 barrels.
The first is on the right of the spawn.

The second is opposite the door to the Z-A teleporter building.
The third in a zombie spawn to the left of the mystery box in the Z-A teleporter building.

The fourth in a window opposite the Z-B craft table.

The fifth below Quick Revive.

The 6th in the zombie spawn in the room to the right of the Z-B teleporter.
And the last in front of the Z-A teleporter door.

Now, you have new grenade

To start the Easter Egg you'll need electricity, an upgraded weapon.

Start by firing an upgraded weapon at the flashing red button on your way from the spawn to the Z-A teleporter.

Three artifacts will be placed on the map, and you will have to shoot them with an upgraded weapon.
One in the cage in front of the Z-A teleporter door.

One in a window at the spawn looking towards the Z-A teleporter building.

The last one in the furnace next to the Thompson.

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Go to the Z-B teleporter room and interact with the 4 valves around the tanks until each pipe bubbles.
Then load the teleporter by interacting with the panel and teleport away. You'll arrive in a room where you can pick up your first piece of Wunderwaff DG-SCHARFSCHUTZE.
You will then be teleported to the map and the last piece of the Ragnarok DG5 will appear in front of you.

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Go to the Z-A transporter and fire an upgraded weapon at 3 electrical boxes. Each electrical boxes has a number of electrical cable. Shoot them in ascending order (left box in bottom picture, box in upper picture, right box in bottom picture)
Then load the teleporter by interacting with the panel and teleport away. You'll arrive in Samantha's room where you can pick up the second piece of Wunderwaff DG-SCHARFSCHUTZE.

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Build the Wunderwaff at one of the craft tables listed above. Go to the Z-C teleporter and shoot the lights on either side to form an electric cross.
Then shoot its center and go to the panel to load the teleporter and then teleport away.
A long cinematic sequence will be shown

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After this cinematic, you wander around the map, teleported. A ball of blue light will appear, interact with it and follow it. It will stop at a certain point, and you'll have to fill it with zombie souls as you eliminate them. Once filled, it will move to a second point to repeat this step. After being filled a second time, it will move to the nearest teleporter, teleporting you and repeating this step for all 3 teleporters.
Once you've completed the last teleporter, you'll be teleported to the boss fight with all the perks for free.