Timeline of mod releases

This is a timeline of Doom modification releases and directly related events. For the primary Doom timeline, see the Timeline article. For source port releases, see the timeline of source port releases.

1994

 * January 26 - The first version of the Doom Editing Utilities is released.
 * March 7 - The first public third-party PWAD, the Origwad, is released.
 * March 11 - CROSS.WAD is released.
 * March 24 - E2M1ED.WAD is announced on Usenet.
 * June 10 - Crossing Acheron is released in version 0.0.
 * June 23 - Doomsday of UAC is released.
 * June 28 - Slaughter Until Death, the first WAD created by The Innocent Crew, is released.
 * August 10 - Return to Phobos is released.
 * August 22 - The Unholy Trinity is released.
 * October 1 - The Evil Unleashed is released
 * October 19 - Aliens TC is released, becoming the first total conversion.
 * October 30 - Version v2.0 of the first installment of Serenity Trilogy, Serenity, is released.
 * November 7 - Version v1.1 of Eternity is released.

1995

 * January - The Lost Episodes of Doom is published.
 * May 11 - Infinity, the final part of Serenity Trilogy, is released.
 * May 14 - The Innocent Crew releases the final version (1.1) of Obituary.
 * May 17 - The Final Gathering is released.
 * June 9 - A deathmatch-focused WAD called Boothill is released. Later that year, A Fistful of Doom, the UK answer for the previously mentioned WAD, is released.
 * June 13 - The Artifact (WAD) is released in its first, full state.
 * August 29 - Fava Beans is released.
 * September - The Abyss is released.
 * October 28 - TNT: Evilution is announced delayed in favor of a commercial release as one half of Final Doom.
 * November 13 - Nostromo's Run is released after a year of development.
 * December 10 - Memento Mori is initially released.
 * December 18 - H2H-Xmas is released.

1996

 * January 24 - Polygon Base is released.
 * February 10 - Memento Mori is initially uploaded to the /idgames archive.
 * March 21 - Icarus: Alien Vanguard is uploaded to the /idgames archive.
 * March 29 - The Troopers' Playground is released. One of the WAD's levels occupying MAP06 slot will become part of Requiem in the future in MAP09 slot.
 * April 12 - 99 Ways to Die is released.
 * April 17 - A Hidden Mountain Factory is released.
 * April 22 - Work on Hell To Pay is completed.
 * May 14 - Dystopia 3 is released.
 * July 17 - All Hell is Breaking Loose is released.
 * July 26 - Work on Perdition's Gate is finished.
 * July 27 - Memento Mori II is uploaded to the /idgames archive.
 * August 1 - Army of Darkness TC is released, both for Doom and Doom II.
 * October 31st - Realm of Chaos is released.

1997

 * February 22 - The first episode of Mordeth called "The City of Babel" is uploaded to the /idgames archive. From that point on, there is no particular information about the rest of the WAD's release.
 * May 2 - Hell Revealed is uploaded to the /idgames archive.
 * May 11 - Chord NG, the third installment of the Chord series is uploaded to the /idgames archive.
 * June 15 - Dawn of the Dead, an episode replacement for Knee-Deep in the Dead is uploaded to the /idgames archive.
 * June 19 - The Talosian Incident is released.
 * June 24 - STRAIN, a partial conversion for Doom II is uploaded to the /idgames archive.
 * July 4 - Requiem is uploaded to the /idgames archive.
 * July 12 - GothicDM, a deathmatch exclusive WAD, is released.
 * August 2 - Hell's Eventide is uploaded to the /idgames archive.
 * November 14 - Eternal Doom is uploaded to the /idgames archive.

1998

 * January 19 - The Darkening is originally released.
 * March 27 - Venom is uploaded to the /idgames archive.
 * April 17 - Cyberdreams, a WAD focusing on killing Cyberdemons, is uploaded to the /idgames archive.
 * April 30 - Run Buddy, one of the first WADs created for the Boom source port, is uploaded to the /idgames archive in its original state.
 * May 2 - GothicDM 2, the sequel to GothicDM, is uploaded to the /idgames archive.
 * May 8 - Odessa 14 subtitled "Savage Morals", the final installment of the Odessa series, is uploaded to the /idgames archive in version 2.1.
 * June 20 - Crestfallen is uploaded to the /idgames archive.
 * July 24 - Phobos (WAD) is originally released.
 * July 30 - Dickie 10, the final installment of the Dickie series, is uploaded to the /idgames archive.
 * August 7 - Earth (WAD) is originally released.
 * August 15 - Tantrum 2 is uploaded to the /idgames archive.
 * November 15 - Twilight Warrior is originally released on Doomworld.

1999

 * January 7 - The Darkening is uploaded to the /idgames archive in version 1.1.
 * January 30 - Wow.wad is uploaded to the /idgames archive.
 * April 3 - Chord G is uploaded to the /idgames archive.
 * April 6 - KZDoom1 is uploaded to the /idgames archive.
 * May 21 - Assault on Tei Tenga is released.
 * May 23 - The ZDoom version of Earth (WAD) is uploaded to the /idgames archive.
 * July 11 - Jägermörder 1: Chemical Lab is uploaded to the /idgames archive.
 * September 4 - Crusades is uploaded to the /idgames archive.

2000

 * January 28 - Herian 2, originally released around 1999, is uploaded to the /idgames archive.
 * February 3 - Containment Area is uploaded to the /idgames archive in version 1.1.
 * March 8 - The Darkening Episode 2, the sequel to The Darkening, is released in version 1.0.
 * March 17 - Demonfear, a compilation of six WADs created by Adam Windsor between 1995 and 1999, is uploaded to the /idgames archive.
 * May 17 - Hell Factory is uploaded to the /idgames archive.
 * July 29 - Atomic Tomb is uploaded to the /idgames archive.
 * August 22 - Doomworld announces 10 Sectors, a competition to make the most interesting map for Doom II until September 22 with no more than the titular ten sectors.
 * September 5 - Chord 3, the last installment of the Chord Series, is uploaded to the /idgames archive.
 * November 26 - A compilation of the best maps from the 10 Sectors competition is uploaded to the /idgames archive.
 * December 3 - Painful Evil is uploaded to the /idgames archive.
 * December 9 - KZDoom6 is uploaded to the /idgames archive.
 * December 20 - The Classic Episode is released in version 1.0.

2001

 * February 26 - KZDoom7 is uploaded to the /idgames archive.
 * March 24 - Vrack 2 is originally released.
 * July 19 - Sin City is uploaded to the /idgames archive.
 * August 6 - The Darkest Hour, a total conversion based on Star Wars game Dark Forces, is released.
 * August 7 - Phobia is originally uploaded to the /idgames archive as a singular map. Later, in 2006, this map would become a part of the WAD titled Phobia - The Age under the title Despair.
 * October 4 - SlayeR (WAD) is finished in development.
 * October 29 - The Darkest Hour is uploaded to the /idgames archive.
 * October 31 - Doom Resurrection is released.
 * November 14 - Nuts.wad, created in just one day, is uploaded to the /idgames archive as a test WAD by B.P.R.D to see if he can safely upload his other project Equinox on this site.
 * November 21 - Equinox and Doom Resurrection are uploaded to the /idgames archive the same day.
 * December 6 - Null Space is uploaded to the /idgames archive.
 * December 14 - Vrack 2 is released in version B.
 * December 24 - Alien Vendetta is originally released.

2002

 * February 2 - SlayeR is uploaded to the /idgames archive in a version called Issue 2.
 * April 24 - Caverns of Darkness is released.
 * May 15 - CH Retro Episode is released after the end of development in April, of the same year.
 * May 29 - Ruma is uploaded to the /idgames archive.
 * June 12 - Dark 7 Mission Pack is uploaded to the /idgames archive.
 * July 24 - Ni'mRoD - IXNAY on the HOMBRE is originally released after four years of development.
 * July 24 - 2002 A Doom Odyssey is originally released.
 * August 30 - The second version of 2002 A Doom Odyssey is released, adding an additional level (E5M1) exclusive for the ZDoom source port, along with changes to some of the already existing ones.
 * October 15 - Congestion Control uploaded to the /idgames archive.
 * December 11 - Dark 7 (originally released in May of this year in version 1.3) is uploaded to the /idgames archive.
 * December 19 - Rip It, Tear It, Smash It is released.
 * December 24 - 007: Licence to Spell DooM is released.
 * December 26 - The second version of Alien Vendetta is uploaded to the /idgames archive.

2003

 * January 2 - Phobos: Anomaly Reborn is uploaded to the /idgames archive.
 * January 18 - Revolution!, originally released around 2001, is uploaded to the /idgames archive.
 * January 20 - The preview demo of RTC-3057 is released.
 * January 28 - Space Station Omega is uploaded to the /idgames archive.
 * February 1 - The Brotherhood of Ruin is uploaded to the /idgames archive.
 * April 10 - Scythe is uploaded to the /idgames archive.
 * May 22 - Helpyourselfish is uploaded to the /idgames archive.
 * June 22 - The original version of Doom Raider: Crypt of the Vile is uploaded to the /idgames archive.
 * July 1 - Initial release of the Doom 64 TC.
 * July 15 - MassMouth 2 is uploaded to the /idgames archive.
 * September 15 - Void is released, originally designed for ZDoom 2.0.48
 * December 10 - TeamTNT releases its first ZDoom-targeted mod, Daedalus: Alien Defense. The next year, it would be marked as an honorable mention in Cacowards 2004.

2004

 * January 9 - Chosen is uploaded to the /idgames archive in version 1.33.
 * January 13 - Doomworld Forums 3 is uploaded to the /idgames archive. It would later receive the Mockaward for the best comedy WAD of the year in Cacowards 2004.
 * January 26 - Grove is originally released. Later that year, it would win one of the Cacowards of the 2004 edition.
 * January 29 - Batman Doom, originally released around 1999, is uploaded to the /idgames archive.
 * February 26 - Grove is uploaded to the /idgames archive.
 * May 28 - Deus Vult is released and uploaded to the /idgames archive. Later that year, it would be marked as one of the runners-up in Cacowards 2004.
 * June 3 - Decade is originally released. Later that year, it would win one of the Cacowards of the 2004 edition.
 * July 3 - Action Doom is originally released. Later that year, it would win one of the Cacowards of the 2004 edition.
 * July 27 - The second preview demo of RTC-3057 is released, being the last preview of the WAD, before Team Future ceases the development sometime later. Later that year, it would win one of the Cacowards of the 2004 edition.
 * July 30 - The third version of 2002 A Doom Odyssey (originally released in 2002) is released.
 * August 8 - Tremor is originally released. Later that year, it would win one of the Cacowards of the 2004 edition.
 * August 14 - Tremor is uploaded to the /idgames archive.
 * August 29 - The first take of The Zdoom Community Project is uploaded to the /idgames archive. Later that year, it would win one of the Cacowards of the 2004 edition
 * September 9 - Phobos Revisited is originally released. Later that year, it would win one of the Cacowards of the 2004 edition.
 * September 22 - Decade is uploaded to the /idgames archive.
 * September 27 - After being in development for nine years, Hellcore is finally released, being uploaded to the /idgames archive. It would later receive the Mordeth Award for the WAD/project with the longest development time in Cacowards 2004.
 * December 6 - Community Chest 2 is uploaded to the /idgames archive. Later that month, it would win one of the Cacowards of the 2004 edition.
 * December 24 - Super Sonic Doom is uploaded to the /idgames archive. Earlier that month, it was marked as one of the runners-up in Cacowards 2004.
 * December 25 - Massmouthmas is uploaded to the /idgames archive. Earlier that month, it was marked as one of the runners-up in Cacowards 2004.

2005

 * January 23 - Graf Zahl, creator of GZDoom, releases a source modification called, derived from ZDoom 2.0.96 that would allow to play Caverns of Darkness (from 2002) on ZDoom.
 * August 12 - An updated version of Void (designed for ZDoom 2.0.96) is released
 * September 11 - Ni'mRoD - IXNAY on the HOMBRE is uploaded to the /idgames archive in an updated version that would allow the WAD to be played in GZDoom.

2006

 * September 8 - GZDoom port of ZanZan, originally released around 2000 and requiring ZDoomGL (v1), is uploaded to the /idgames archive.

2007

 * June 2 - Initial release of Knee-Deep in ZDoom.
 * July 16 - Demons of Problematique is released and is later named a Cacowards runner-up.

2008

 * August 24 - UAC Military Nightmare is uploaded to the /idgames archive.
 * November 15 - Graf Zahl releases a patch for Caverns of Darkness that would allow the WAD to be played using the regular ZDoom build.

2009

 * September 20 - Demons of Problematique 2 is released and later wins a Cacoward.
 * October 22 - Deus Vult Zero is released.

2010

 * February 28 -  level designer Jean-Paul LeBreton publishes a noted design analysis on Doom and releases Arcadia Demade, a Doom II version of a BioShock level.
 * March 28 - UAC Ultra is released.
 * September 4 - The Brutal Doom gameplay mod is initially released.
 * October 8 - Mega Man 8-Bit Deathmatch is released to the public after a demo debut at the ScrewAttack Gaming Convention.
 * October 9 - Hacx v1.2 is released as a stand-alone IWAD.

2012

 * July 27 - For the 10th anniversary of 2002 A Doom Odyssey, the fourth version is released, adding another level (new E3M5) while also reshuffling the positions of some of the original ones.

2015

 * February 14 - The first version of InstaDoom is released. It wins the Mockaward for 2015.
 * June 13 - Sunlust is released and later wins a Cacoward.
 * August 17 - Don't Be A Bitch Remastered is released and later wins a Cacoward.

2016

 * January 15 - John Romero releases his first Doom PWAD in 21 years. Tech Gone Bad is a single level for limit-removing ports and is an alternate take on.
 * April 26 - John Romero releases a second Doom PWAD, Phobos Mission Control, as an alternate take on.

2019

 * May 22 - John Romero's SIGIL is released in the form of limited editions, which began to ship on this date. On May 31, the WAD was released as a free download.

2020

 * May 26 - Russell Pearson releases a reimagined version of Doom Raider: Crypt of the Vile under the title Doom Raider 2020.

2022

 * March 2 - John Romero releases his first Doom II PWAD in over 27 years. One Humanity is a single level for limit-removing ports, sold for €5.00 with all proceeds going towards supporting the humanitarian relief efforts in the wake of the.