- This level occupies the map slot MAP20. For other maps which occupy this slot, see Category:MAP20.
MAP20: Refinery is the twentieth map of Claustrophobia 1024. It was designed by Dutch Devil, and uses the music track "The Imp's Song" by Robert Prince.
- Letters in italics refer to marked spots on the map. Sector numbers in boldface are secrets which count toward the end-of-level tally.
Other points of interest
Areas / screenshots
Routes and tricks
Inspiration and development
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