Logic (1991)
- Download the game as TAP/TZX
- Play the tape for a real Spectrum
- Run the game in an online ZX Spectrum emulator
Logic is a puzzle game released in 1991 by the Slovak publisher Ultrasoft for the ZX Spectrum 48K and 128K. The development was led by Gustáv Harton, who handled the code and game design, while Rudolf Priečinský created the in-game graphics and the loading screen. The inlay and poster art were designed by Michal Hlaváč.
As a single-player puzzle game, the title focuses on problem-solving tasks. The software utilizes the AY sound chip and features fully redefinable controls. The game interface uses the Slovak language throughout.
The original price of the game was 89 Kčs. The title was developed exclusively for the ZX Spectrum platform.
In Russia, the game became known through numerous TR-DOS versions released by groups such as Style Group, Queen Software, and AmoNik. Cracked cassette versions were also circulated.
Found 2 cracked versions (releases) of the game


