id Software is an American video game company. They are most famous for their first-person shooter games. They started in 1991.

ID has made many games.

• Wolfenstein 3D (1992)
• Spear of Destiny (1992)
• Doom (1993)
• Doom 2 (1994)
• Heretic (1995)
• Hexen (1995)

• Quake (1996)
• Quake 2 (1998)
• Quake 3 (1999)
• Doom 3 (2004)
• Quake 4 (2006)

• Official id Software website
• "A Chat With id Software Archived 2004-02-15 at the Wayback Machine", a GameSpy interview with people at id Software

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