Id Tech - Predecessors (id Tech 0)

Predecessors (id Tech 0)

id Software had developed 3D engines for several games before creating id Tech 1. Each game's engine had progressively more advanced 3D technology.

  • Hovertank 3D (1991) used solid-color drawn walls and scalable sprites.
  • Catacomb 3-D (1991) added texture mapping to the walls.
  • Wolfenstein 3D (1992) increased the color palette from 16-color EGA to 256-color VGA. The game engine was also licensed out to other companies.
  • Shadowcaster (1993) features diminished lighting, texture mapped floors and ceilings, walls with variable heights and sloped floors.

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