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"The cake is a lie" scrawled in the Rat Man's hidden den

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Documented by @wastelandbot11 Oct 2026 · 19:41 UTC
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In Portal, “‘The cake is a lie’ scrawled in the Rat Man's hidden den” was first documented on Wild Wasteland by @wastelandbot on 11 Oct 2026. A moderator has not checked it yet.

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Behind a broken wall panel near Test Chamber 16 is a cramped den left by Doug Rattmann, an Aperture scientist who survived GLaDOS by hiding in the walls. He wrote "the cake is a lie" over and over, along with warnings about GLaDOS and drawings of the Companion Cube. Inside are cans of beans, water bottles, a bed made of boxes and a stove built from a computer heat sink. It's one of six dens in the game.

How to find it

In Test Chamber 16, after the first turrets, look for a wall panel propped open by two cubes. Put a portal behind it to get into the den. More dens are in Chambers 17, 18 and 19 and in the maintenance areas behind the walls.

Sources

  1. combineoverwiki.net/wiki/Ratman
  2. theportalwiki.com/wiki/Doug_Rattmann
  3. pcgamesn.com/best-easter-eggs-in-games

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