1000 Line Community Project

1000 Line Commmunity Project is a 34-level vanilla-compatible megawad for Doom II. All included levels have no more than 1000 linedefs, with the exception of MAP34: Bad Treatment, with 1002. The project was spearheaded by Philip Brown (Liberation) and development began in January 2019. The project was uploaded to the /idgames archive on 23 April, 2019.

A sequel, titled 1000 Lines 2 - Community Project, was released in September 2020.

Levels
Episode 1: City levels Episode 2: City/Hell levels Episode 3: Hell levels Episode 4: Techbase levels Secret levels Bonus levels
 * by Lord Z
 * by Dreadopp
 * by Philip Brown (Liberation)
 * by Ben Mansell (Bauul)
 * by Garbage
 * by SiMpLeToNiUm
 * by Aquila Chrysaetos
 * by NaZa
 * by Justin Kelly (Breezeep)
 * by Nootrac4571
 * by Bridgeburner56
 * by Shannon O'Neill (Major Arlene)
 * by Philip Brown (Liberation)
 * by Diego Villarroel (DJV)
 * by Paul Corfiatis (pcorf)
 * by Brayden Hart (AD_79)
 * by Worm318
 * by Aquila Chrysaetos
 * by Sebastian Graham (General Rainbow Bacon)
 * by Justin Kelly (Breezeep), Brayden Hart (AD_79), and SiMpLeToNiUm
 * by Walter Confalonieri (daimon)
 * by Pegleg
 * by DMPhobos
 * by riderr3
 * by Poohlyash
 * by Philip Brown (Liberation)
 * by Seongbae Park (antares031)
 * by ChaingunnerX
 * by StormCatcher.77
 * by Przemek Zimny (alterworldruler)
 * by Aquila Chrysaetos
 * by Kaito
 * MAP33 by Aquila Chrysaetos
 * by Philip Brown (Liberation)

Soundtrack

 * MAP01: "Battle Strategy" by James Paddock (Jimmy) (from Plutonia 2)
 * MAP02: "Stealth Mode" by James Paddock (Jimmy) (from the Plutonia MIDI Pack)
 * MAP03: "Liquid" by Tom Mustaine (from Hell To Pay and Perdition's Gate)
 * MAP04: "Astral Dreadnought" by James Paddock (Jimmy) (from Plutonia 2)
 * MAP05:
 * MAP06: "I Am Jazz" by James Paddock (Jimmy)
 * MAP07: "Message for the Archvile by Robert Prince (from Doom II)
 * MAP08: "On the Hunt by Robert Prince (from Doom)
 * MAP09: "Rusty Nails" by James Paddock (Jimmy) (from Speed of Doom)
 * MAP10: "Sick Building Syndrome" by James Paddock (Jimmy) (from the Harmony MIDI Pack)
 * MAP11: "Designing the Grave" by Brayden Hart (AD_79) (bespoke track)
 * MAP12: "Icicles" by James Paddock (Jimmy) (from Community Chest 4)
 * MAP13: No replacement
 * MAP14: "Night Bats" by Mark Klem (from Memento Mori)
 * MAP15: "Triangle of Fear" by Mark Klem (from Memento Mori)
 * MAP16: "Sleipnir" by Brayden Hart (AD_79) (bespoke track)
 * MAP17: No replacement
 * MAP18: "Deep into the Code" by Robert Prince (from Doom)
 * MAP19: No replacement
 * MAP20: "Unearth" by Gus Knezevich (Alfonzo) (from the Revolution! MIDI Pack)
 * MAP21: "Lunar Outpost" from 
 * MAP22: No replacement
 * MAP23: "Dream, Dream Eternal" by Elric Sullivan (Darkhaven) (from Doom 64 for Doom II)
 * MAP24:
 * MAP25: "Midnight's Approach" by Brayden Hart (AD_79) (bespoke track)
 * MAP26: "Blackness Ahead" by CoTeCiO (from Doom 64 for Doom II)
 * MAP27: "Ripsnort" by Jeremy Doyle (from Icarus: Alien Vanguard)
 * MAP28: "Action!" by James Paddock (Jimmy)
 * MAP29: No replacement
 * MAP30: "The Forgotten God" by Tristan Clark (Eris Falling) (from the Revolution! MIDI Pack)
 * MAP31: "Tranquil Land" by Tristan Clark (Eris Falling)
 * MAP32: "Voyage" by James Paddock (Jimmy) (from Jenesis)
 * MAP33: see text screen
 * MAP34: see title screen
 * Title screen: "1000 Line Community Project Theme" by Tristan Clark (Eris Falling) (bespoke track)
 * Intermission screen: No replacement
 * Text screen: "The Revolution Continues" by Tristan Clark (Eris Falling) (from TNT: Revilution)

By default, the music of any MAP34 will use that of the title screen. In this case, this is a very short loop, and is changed for ports with MAPINFO support to the intermission theme (ZDoom-based engines) or the text screen theme (Eternity Engine).