Nostromo's Run takes place in an isolated station aboard some alien planet. The base was used for fighter training and mutant entertainment and features a large arena. Humans were being brought to this pleasure ground for the mutants amusement.
My Soul Trapped in a WIN98 PC (ST98.WAD) is a January 2015 techbase map designed for Boom-compatible source ports by Lucas Hernandez (Lukasxd). Most of the level's textures are graphics from Windows 98 and 1990s Internet programs, and it uses the music track "Earthlight" from the game Einhänder.
Internal Reaches 4 is a single-level PWAD for Doom II that was released in 2004. It was designed by Samuel Villarreal (Kaiser) and is also known as Kaiser 8.
Internal Reaches 2 is a single-level PWAD for Doom II that came out in 2003. It was designed by Samuel Villarreal (Kaiser) and is also known as Kaiser 1.
You've been dropped in the maintenance area of enemy headquarters. You've got to find your way out, cross the interdiction zone, and destroy enemy HQ by locating and pressing the well guarded security destruct switch.
Inferno (not to be confused with Doom's original third episode) is a nine-level episode replacement designed by Christopher Lutz and released in March 1998. The mapset is themed after Doom episode Inferno, replacing all levels with new ones designed around the Hell map visual style.
The Island 2 is a single-level PWAD for Doom II. A sequel to farlowj's previous map, The Island, it once again features a similar setting as before, with large outdoor coastal areas and forested landscapes, but this time with a greater emphasis on indoor locations, including a cave system and a large UAC underground complex.
The Island is a single-level PWAD for Doom II. It is a very large level set on a volcanic island, featuring lakes, forests and a large UAC base in the centre, as well as several visual and sound effects to enhance the ambience. Several new DECORATE monsters are also included, many from the then-new Monster Resource WAD. The author cited Far Cry as the main inspiration when designing this level
Insertion is an eleven-level PWAD for Doom II. It was created by David Shaw, Stephen Watson, Thomas Evans and Adam Williamson. Most of the authors had previously worked on either the first or second Memento Mori, or Requiem, and the gameplay and level design found here is similar in style to those, albeit with fewer maps.
You are Sergeant Shaun Rumsey, a marine on a UAC base on earth that was recently attack by the forces of hell, after finding a large hell portal in the mines. Marines fought bravley, but were outnumberded and slaughtered. As far as you know, you are the only one left on this base, and it is amazing you are still alive. Maybe you have better skills than you first thought. You see a shotgun in front of you, and hope that no demons will come teleporting in once you pick it up.
Given your success with the UAC mining base and the Anomaly investigation, it was inevitable that you get picked for this foray into the Titan Farside Research Base. Oh well. Rumours have it that some prototypes of alien technology are being tested here. Please investigate and report.
Esselmap I: Testing Facility is a single-level PWAD for Doom II using a limit removing source port. It was designed by Sarah Mancuso (esselfortium) and uses the music track "Ordinary Story" by In Flames
HeDRoX is a single-level PWAD for Doom II and the ZDoom source port. It was designed by the Argentine mapper Rodrigo Acevedo (ElRodo) and uses the music track "Plasma" from Duke Nukem 3D. A compact techbase showcasing highly detailed and unusual architecture, A really short but very intense single player map.
Galaxia is a PWAD created by Pavel Hodek. It is notable for an extensive storyline (presented in a separate file, story.txt) which serves as the basis of the WAD's design and progression, in an era when most designers did not care about story or theme. It also features a few new sound effects and two replacement music tracks.
Extremal Doom is a Doom megawad by Russian level designer Mikle Ilyin that was initially released in January 2003. It features three episodes, as well as some texture and sprite replacements, several of which have been taken from Hexen.
E1 Contest is a 2001 megawad. It is a compilation of 15 levels in the style of the Knee-Deep in the Dead episode by multiple authors, one map per author. It was the fruit of a contest announced by the extinct website Doom Center during the E1 Week which took place in the first seven days of July 2001. John Romero was sent these levels and he would examine and rate them in order to proclaim four winners. The author of the top rated level received as prize a box of The Ultimate Doom with all items signed by John Romero.
“Half-Life 1: Ray Traced integrates the real-time path tracing into the original Half-Life (1998),” according to its creator, sultim_t. “With the hardware accelerated ray tracing, it is possible to calculate global illumination, reflections, refractions, soft shadows and other visual effects with interactive framerates."