Killing Floor 2: Neon Nightmares is available on PS4, Xbox One and PC right now. This update is free if you own Killing Floor 2 on any of these platforms.

Killing Floor 2's Neon Nightmares takes players into a new map called Biolapse, crafted by the Killing Floor community. It's a large facility containing 11 floors, as players ward off Zeds across ...

So he took 100 of these little neon bulbs and arranged them in a 10×10 grid on a piece of perfboard. There’s nothing fancy around the backside either, just all the legs wired up in parallel.