The Mackinaw Demiurge monster truck is a secret vehicle you can unlock by tackling one of strangest secrets: the FF:06:B5 puzzle. Since launch, a small community of dedicated players has been working to crack this cryptic Easter Egg, and the release of Update 2.0 and appears to have added a few extra clues.
The FF:06:B5 puzzle is easy to miss, even more so than best secret side jobs, and it’s unlikely that you would even encounter it during a normal playthrough. Players who want to join the race to solve this Easter Egg can complete the full puzzle to get the Demiurge. There’s also an easier way to get the truck without doing the whole puzzle, but it leaves out part of the Easter Egg. This guide covers both.
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The starting point for this quest is located on a Protein Farm out in the Biotechnica Flats region, as shown on the map above. Unlike secret dev room, it's a long way outside Night City, so you will need to use a vehicle to reach the area. Once you arrive, you will need to look for a church building with a small garage attached.
Inside the abandoned church, you will find a set of servers on the back wall, a laptop on a raised platform, and an Arasaka Tower 3D arcade machine on one side. Wait or skip time until it’s just before 4 AM, and then turn on and use the laptop at 4 AM. Make sure to read all of the messages and files.
After using the laptop, interact with the Arasaka Tower 3D arcade machine. This game is a -themed retro boomer shooter like the classic and games. You don’t necessarily need to play the game; interacting with the machine is enough.
Once you are done, head to the spot in the Badlands marked on the map above to find a mattress in the
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