Build a computer from a single NAND gate: wire relays into logic, memory and a 16-bit CPU with a pipeline, branch prediction and a cache, then program it. Robots in mazes, Nim, even a shooter on your own CPU. A long campaign through the eras of computing, plus a level editor and Steam Workshop.

Build a computer from a single NAND gate: wire relays into logic, memory and a 16-bit CPU with a pipeline, branch prediction and a cache, then program it. Robots in mazes, Nim, even a shooter on your own CPU. A long campaign through the eras of computing, plus a level editor and Steam Workshop.