MAP22: Limbo (Console Doom)

MAP22: Limbo is the twenty-second and penultimate level of most console versions of Doom, based on the original E3M7: Limbo with modifications made to adapt to the consoles' memory and ROM size limitations. It was converted by American McGee and originally designed by Sandy Petersen. The map first appeared in the Atari Jaguar version, and is additionally used in the 3DO, Game Boy Advance, Sony PlayStation, and Sega Saturn versions.

Essentials
Main route

Alternative route

Exit

Secrets

 * 1) (sector 31)
 * 2) (sector 51)
 * 3) (sector 130)

Bugs
A set of 4 shotgun shells (Thing 59) and an energy cell (Thing 120) have no flags set for any of the difficulty classes, so they do not actually appear in the level.

Comparison of versions
Numerous changes exist in the level as compared to its PC version:

Geometry simplification

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New design
Some rooms in the level were redesigned:
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Other

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PlayStation
Some additional changes were made in the PlayStation port:
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Music
The map uses the following music tracks: