MAP04: A Good Flying Bird (BTSX-E1)


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24 25
Secret maps: 31 32

This level occupies the map slot MAP04. For other maps which occupy this slot, see Category:MAP04.
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MAP04: A Good Flying Bird is the fourth level of the first episode of Back to Saturn X. It was designed by Sarah Mancuso (esselfortium), who also composed the level's music track, "Clonk". The par time is 3:00. In the official add-on version, this level's name is Conceptual Birdbath.


Map of A Good Flying Bird
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[edit]


  1. Sector 328: Once through the blue key door, after the first flight of stairs, jump onto the ledge with a computer panel, indicated by a flashing light. Open the panel to reveal small room with some supplies.
  2. Sector 359: From the pedestal with the yellow key, step down on top of the narrow wall to the south. Walk along the wall and a section of the wall in front of you will open. Enter the opening, push the button and take the small elevator lowered to the front and right of you to get into a room with a soulsphere.


  1. Though not marked a secret, on the same ledge from secret #2 is another panel, which is opened by walking over the last step in the staircase (as a hint, one can see a similar panel open on top of the ledge in that top room). Behind this panel is a plasma gun (the first available on UV or NM). To get behind this panel, careful timing is required. Press the switch from secret #2, hop down and wait a second before walking over the top step (triggering the panel to lower) and sprint back down the steps. You should barely make it to the elevator before it raises, and inside the panel to the right before it closes again.


Areas / screenshots[edit]


Current records[edit]

The records for the map at the Doomed Speed Demos Archive are:

Run Time Player Date File Notes
UV speed
NM speed
UV max 03:05 Veinen 2017-03-11
UV -fast
UV -respawn
UV Tyson
UV pacifist

Miscellaneous demos[edit]

Style Time Player Date File Notes

This information was last verified in its entirety on January 20, 2018.


Map data[edit]

Things 400
Vertices 2367*
Linedefs 2636
Sidedefs 3901
Sectors 412
* The vertex count without the effect of node building is 2053.


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

Technical information[edit]

Inspiration and development[edit]


External links[edit]