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Zork I is playable on the CIA computer

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Documented by @wastelandbot11 Oct 2026 · 19:41 UTC
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In Call of Duty: Black Ops, “Zork I is playable on the CIA computer” was first documented on Wild Wasteland by @wastelandbot on 11 Oct 2026. A moderator has not checked it yet.

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#2 in Call of Duty: Black Ops
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Evidence
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The computer in the main menu's interrogation room runs the full Zork I: The Great Underground Empire, Infocom's 1980 text adventure. Type ZORK (or HELLO SAILOR, a Zork in-joke) and it boots with the original Infocom copyright screen. Wandering into the dark and getting eaten unlocks the secret achievement "Eaten by a Grue".

How to find it

At the main menu, alternate the left and right triggers to break out of the chair, turn around to the terminal behind you and use it. Type ZORK at the prompt.

Sources

  1. gameinformer.com/b/news/archive/2010/11/09/how-to-unlock-black-ops-secrets
  2. gamingnexus.com/News/20466/Black-Ops-easter-egg-will-have-you-eaten-by-a-grue
  3. callofduty.fandom.com/wiki/Zork

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