This is a list of update patches released for the Doom games and related games most commonly used to upgrade the games to the latest available versions. All patches, apart from Doom 3's, are for the original DOS versions unless marked otherwise in brackets following the header.

Doom shareware

• 1.2 to 1.666 at Doomworld/idgames
• 1.666 to 1.9 at Doomworld/idgames
• 1.8 to 1.9 at Doomworld/idgames

Historic

• 1.666 to 1.8 at Doomworld/idgames

Doom registered

• 1.1 to 1.9 (text file)
  • Mirror at idgames main mirror (text file)
• 1.2 to 1.9 (text file)
  • Mirror at idgames main mirror (text file)
• 1.6 to 1.9 (text file)
  • Mirror at idgames main mirror (text file)
• 1.8 to 1.9 (text file)
  • Mirror at idgames main mirror (text file)
• 1.9 to Ultimate Doom (text file)
  • Mirror at idgames main mirror (text file)

Doom (Sun)

• sundoommouse.tar.Z (text file) (adds mouse support)
  • Mirror at idgames main mirror (text file)

Historic

• 1.1 to 1.2
• 1.2 to 1.666
• 1.666 to 1.8
• Ultimate Doom to 1.1 downgrade

Doom II

• 1.666 to 1.7a (only works with 1.666 dated 1994-08-30)
• 1.666 or 1.7 to 1.7a (only works with 1.666 dated 1994-08-29 or 1994-09-20 or with 1.7 dated 1994-09-21)
• 1.7 to 1.7a (only works with 1.7 not dated 1994-09-21)
• 1.7a to 1.9
• 1.8 to 1.9

German version

• 1.666 to 1.9

Historic

• 1.1 to 1.2
• 1.2 to 1.666
• 1.666 to 1.7
• 1.7a to 1.8
• 1.7a to 1.7 downgrade
• 1.9 to 1.666 downgrade

Final Doom

• id Anthology patch (unofficial) (description)
  • Mirror at DRD Team Share Space

TNT: Evilution

• MAP31 yellow keycard bug fix (text file)

Doom 3

Doom (2016)

Other games

Heretic

• Heretic shareware 1.0 to 1.2 (text file)
  • Mirror at idgames main mirror (text file)
• Heretic registered 1.0 to 1.2 (text file)
  • Mirror at idgames main mirror (text file)
• Heretic registered 1.2 to 1.3 (Shadow of the Serpent Riders upgrade)
  • Mirror at idgames main mirror

Hexen

Strife