Facing the four outside computers, their order is Red, Green, Blue, Yellow from left to right. Tap what flashes, then use the numbered result in-game.
After power is on, start at the outside computers by Tunnel 6. Watch the flashes, record them below, then press the same computers in-game. Repeated colours are allowed.
No flashes recorded yet. Tap a colour above to start.
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Gameplay: Activision / Treyarch. Photographs and symbol references: mmmrkennedy, COD Zombies Guides and their credited community contributors. Shared-location photographs can show a remaster; the instructions and weapon landmarks here describe Black Ops (2010). See the map’s sources.