He is best known as a co-founder of id Software and designer for many of their games, including Wolfenstein 3D, Dangerous Dave, Hexen, Doom, Doom II and Quake.
Најпознат е како ко-основач на id Software и дизајнер на многу од нивните игри, вклучувајќи Wolfenstein 3D, Dangerous Dave, Hexen, Doom и Quake.