Zombie Zombie

The player is alone in an ancient partially walled city infested with zombies. They must lure the zombies into following the player and then trick them into falling off the edge of tall structures more than three blocks high. The player must get close enough to the zombies to attract their attention into following them, but not so close as to be overwhelmed and become a zombie themselves.

Zombie Zombie includes a helicopter, which can be piloted and used to alter the architecture by lifting and dropping bricks.

Zombie Zombie uses two-channel sound, a then unheard-of feat of a computer equipped with only single-channel 1-bit sound from a tiny speaker. Through the use of the Sinclair ZX Interface 1, the game's two-channel melodies could be played back on a MIDI-equipped synthesizer. Although a wiring diagram was supplied with the game, the interfacing code had been tested on a Yamaha DX7 with a ROM containing bugs and the circuit would only work on that particular synthesizer. This came to light when Sandy White attempted to demo the game while connected to an unfamiliar synthesizer.