I think your timeline is off. Id software had created a lot of games before quake. Here's a list of their games * Dangerous Dave (1988) * Commander K

I think your timeline is off. Id software had created a lot of games before quake. Here's a list of their games * Dangerous Dave (1988) * Commander Keen * Dangerous Dave in the Haunted Mansion (1991) * Rescue Rover (1991) * Rescue Rover 2 (1991) * Shadow Knights (1991) * Hovertank 3D (1991) * Catacomb 3D: A New Dimension (1991) * Wolfenstein 3D (1992) * Doom (1993) * Doom II: Hell on Earth (1994) * Quake (1996) * Quake II (1997) * Quake III Arena (1999) * Doom 3 (2004) * Quake Live (2009 - Beta)