Interphase DOS

Interphase is a 1989 3D first-person and puzzle video game developed by The Assembly Line and published by Image Works for multiple platforms.

The developers were licensed to use concepts from Neuromancer, reflected in the virtual-reality cyberspace concept and theme of a powerful corporation.

The game is considered an early first-person shooter, pre-dating Catacomb 3-D and Wolfenstein 3D. However, the game primarily focuses on puzzle-solving using the interaction between a 3D cyberpunk environment and its conceptual relationship with a 2D zoomable blueprint in which a non-player character is indirectly guided through the floors of a high-security building.

Later games that have a similar style to the 3D elements in Interphase include Pyrotechnica and Rez.

- Wikipedia