E1M4 (Return to Phobos)

E1M4 is the fourth map of Return to Phobos. It was designed by Michael Kelsey.

Walkthrough

 * Letters in italics refer to marked spots on the map. Sector numbers in boldface are secrets which count toward the end-of-level tally.

Secrets

 * 1) (sector 46)
 * 2) (sector 85)
 * 3) (sector 89)
 * 4) (sector 114)

Bugs

 * The maps has red doors but no red key.
 * Some secrets can’t be reached.

Current records
The records for the map on the Doomed Speed Demos Archive are:

Things
This level contains the following numbers of things per skill level: