E1M3 (Base Ganymede)

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Base Ganymede maps
Episode 1
Episode 2

M1 M2 M3 M4 M5 M6 M7 M8 M9

Episode 3

M1 M2 M3 M4 M5 M6 M7 M8 M9

This level occupies the map slot E1M3. For other maps which occupy this slot, see Category:E1M3.
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E1M3 is the third map of the first episode of Base Ganymede. It was designed by Adam Woodmansey (Khorus) and uses the E1M7/E2M5/E3M5 music theme from Doom the Way id Did's optional soundtrack, composed by Mr. Freeze.


Map of E1M3
Letters in italics refer to marked spots on the map. Sector, thing, and linedef numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. After using the switch in Secret #3, take the door to the southwest and look west to find the way out is open. This leads to the secret exit. (sector 29)
  2. In the southernmost building, go to the terminal on the south wall and press on the terminal with the words "UAC BASE" to lower the block behind you containing six armor bonuses and a stimpack. Ride the block up for a box of ammo and a rocket. (sector 254)
  3. At the exit area, climb the northeast steps and press on the computer terminal with the screen to open a compartment nearby with two rockets and a switch. (sector 403)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The records for the map at the Doom Speed Demo Archive are:

Run Time Player Date File Notes
UV speed (normal exit)
UV speed (secret exit)
NM speed (normal exit)
NM speed (secret exit)
UV max 6:16.57 Laure 2022-10-01 b1g3m616.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist (normal exit)
UV pacifist (secret exit)

The data was last verified in its entirety on October 4, 2022.


Map data[edit]

Things 534
Vertices 2866*
Linedefs 2789
Sidedefs 4350
Sectors 406
* The vertex count without the effect of node building is 2259.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]