There were no full 3D games in 1993. Quake was still 3 years in the future.
Maze/Maze War, Chuck Yeager's AFT, Elite. Not as polished or fast as Descent or Quake on a Pentium chip but you'd need to redefine 3D with rather obtuse constraints to exclude them.
Wolfenstein 3D came out in 1992
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Maze/Maze War, Chuck Yeager's AFT, Elite. Not as polished or fast as Descent or Quake on a Pentium chip but you'd need to redefine 3D with rather obtuse constraints to exclude them.