Released on; Atari 8 bit, Commodore VIC-20, C16, C64 and Sinclair Spectrum between 1982 and 1984.
Text taken from the Llamasoft web site:
One of my best-known games, originally Centipede-inspired but particularly in later incarnations* very much evolved into its own unique style.
* Gridrunner++ and Gridrunner Revolution.
Atari 8 bit Download
VIC-20 Download
C16 Download
C64 Download
Spectrum Download (tape)
Spectrum Download (Z80)