NGS1

NGS1 is a single-level PWAD for Doom that was released in 1994. It was designed by Erik Badger.

Secrets

 * 1) In the west of the level is a lift comprising five sides of a hexagon. The path from the southernmost part of this lift leads to a room with a window in the south. There is a secret door to the west of this window (marked with a different texture) leading to a backpack, 4 shotgun shells, a light amplification visor, an armor, a zombieman, and two imps (not on easy skill). (sector 25)
 * 2) The other path heading south from the aforementioned lift turns east. Just after the corner is a secret door to the south (marked with a misaligned texture) leading to three medikits and five lost souls (hard skill only). (sector 162)
 * 3) The wall near the barrel in the area behind #2 opens on shooting, leading to a path to two lost souls (hard skill only), two shotgun guys (not on easy skill) and four medikits. There is also a switch here, which lowers the rocket launcher and plasma rifle in the room behind the red door. Note that #2 is permanently closed off once you go through it, so if you fall down the gap before reaching #3, it will become inaccessible. (sector 170)
 * 4) Go through the blue door next to the yellow door, and continue to the end. There is a secret door here leading to a walkway surrounding a lava pit. (sector 176)
 * 5) Inside the lava pit (see #4) is a switch which raises a bridge to the platform in the centre, where there is a demon, a baron of Hell (both not on easy skill), and a BFG9000. (sector 174)

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

The (absence of) data was last verified in its entirety on November 30, 2021.

Player spawns
This level contains seven spawn points:
 * 1) facing west. (thing 422)
 * 2) facing west. (thing 423)
 * 3) facing west. (thing 424)
 * 4) facing west. (thing 425)
 * 5) facing west. (thing 426)
 * 6) facing west. (thing 427)
 * 7) facing west. (thing 428)

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