Doom History

• Older Versions of Doom
  • Older versions of Doom, plus some notes
• The etymology of Doom cheat codes
  • Find out what iddqd and other cheat codes really mean
• Doom Level History
  • Answers from Romero himself, to questions about Doom levels
• Doom Level Design Credits
  • Who made all of the levels of Doom?
• Doom Editing History
  • How and why did Doom turn out to have user add-on levels?
• DOOM II Final Boss
  • History behind MAP30 and Romero's head-on-a-stick
• Doom Press Release
  • Probably the first official announcement of Doom
• Articles on Doom and id Software
  • Collected articles & interviews on Doom and id Software