id have to say potatOS
Someone made a redstone computer in Minecraft to emulate Factorio, so they could make a train computer in Factorio to emulate Terraria, so they could make a hoik computer in Terraria to run the servers.
IBM monster mainframe with punchcards and magnetic tape
Blizzard resurrected ENIAC and has been growing it ever since.
Windows '95
Maybe it’s written in Malbolge
https://en.wikipedia.org/wiki/Malbolge
Realms are probably running on Virtual Machines set up as cluster servers. Someone probably accidentally deleted the virtual hard disk files (hamsters) for all the servers.
“Blizzard uses 20,000 systems and 1.3 petabytes of storage to power its gaming operations. WoW’s infrastructure includes 13,250 server blades, 75,000 CPU cores, and 112.5 terabytes of blade RAM. The Blizzard network is managed by a staff of 3 people.”
they’re using hamsters for sure…i’ve heard it from multiple reliable sources
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They connected 4,000 Atari 2600s together.
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Unfed Hamsters, IMHO
And since it’s a holiday weekend, they’re all off today.
Hand down Windows 95
With the best 56k internet you have ever seen.
They just got a phone call. The servers should be back up soon.
Commodore 64 servers. What, you thought 64-bit servers meant 64-bit CPU’s?
AOL dial-up.

That’s the computer for our server blade.
How do you make this stuff so quickly?