E1M2: Computers and Electronics (CH Retro Episode)

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CH Retro Episode maps
This level occupies the map slot E1M2. For other maps which occupy this slot, see Category:E1M2.
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E1M2: Computers and Electronics is the second map of CH Retro Episode. It was designed by Christian Hansen.


Map of Computers and Electronics
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. Right at the start, open the wall with a brown streak to get rockets and a backpack. (sector 68)
  2. Go through the long tunnel of nukage at the outer perimeter of the map. At the end, you will find a chainsaw, a box of shotgun shells, and health bonuses. (sector 88)
  3. Flip the switch in Secret #4, then head back to the blue hallway in the middle of the map. At the south end, the chaingun will be available. (sector 174)
  4. Enter the southernmost computer area from the lit area north of it and you will hear a lift lower. Run south and slightly southeast through a corridor, then immediately turn right and go through the opening before it closes. A lift will lower with a megaarmor and health bonuses. Ride it up to a door that opens, revealing a switch. (sector 195)
  5. The switch that opens the door to the blue key will also open up a secret in the first big room. To get it, flip the switch, then run down the nearby steps and open the door. Run directly east and into the room with a soul sphere, health bonuses, and armor bonuses. (sector 212)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

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

Style Time Player Date File Notes
UV speed
NM speed
UV max
UV -fast
UV -respawn
UV Tyson
UV pacifist

Miscellaneous demos[edit]

Style Time Player Date File Notes


Player spawns[edit]

This level contains ten spawn points:

  1. facing east. (thing 227)
  2. facing north-east. (thing 228)
  3. facing west. (thing 229)
  4. facing east. (thing 230)
  5. facing north. (thing 231)
  6. facing south-east. (thing 232)
  7. facing south. (thing 233)
  8. facing west. (thing 234)
  9. facing north. (thing 235)
  10. facing west. (thing 236)


Map data[edit]

Things 284
Vertices 1039*
Linedefs 1117
Sidedefs 1536
Sectors 214
* The vertex count without the effect of node building is 899.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]