Play Interphase Online
You switch between hacking security grids in 2D and sneaking past drones in blocky 3D—it’s like two weird games in one, both barely holding together in that charming early DOS way.

Interphase came out in 1989 from The Assembly Line, one of those MS-DOS games that felt like it was pushing what the machine could do at the time. It didn't look like much else on the platform, mixing visual styles in a way that was ambitious, if a little rough around the edges.
You play a hacker breaking into corporate systems, and the game splits your time between two distinct modes. In one, you navigate a wireframe 3D maze, avoiding security drones that patrol the corridors. In the other, you work on a 2D grid, slicing through data nodes and firewalls in a puzzle-like mini-game. The objective is to infiltrate deeper into the network by successfully completing both parts. The pace is deliberate, and the difficulty comes from managing your attention between the abstract hacking puzzles and the immediate spatial threats. It feels tense and cerebral, like you're actually multitasking under pressure.
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".

Download Interphase ROM
You can download this ROM to play Interphase offline using an MS-DOS emulator (Top Emulators).
*This ROM is provided for backup and educational purposes only.