Positron (game)

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Positron
The first wave, Acorn Electron version
Developer(s) Gary Partis
Publisher(s) Micro Power
Designer(s) Gary Partis
Release date(s) 1983
Genre(s) Shoot 'em up
Mode(s) Single player
Platform(s) Acorn Electron, BBC Micro

Positron is a video game made for the BBC Micro and Acorn Electron computers by the programmer Gary Partis, first released by Micro Power in 1983.

The player controls a space ship, at the bottom of the screen, vertical motion is not possible. The object of the game is to destroy all alien creatures on each screen, then proceed to the next. The first wave of aliens follows the classic Space Invaders style of moving, subsequent waves apparently have no pattern of positioning.

The aliens are called, in order of appearance - Cyber, Spazmoid, Galactic Hulk, Hep-Hep, Graber, Bum-Fluff, Phantom, Orb and Mega-Bod. Destroying the mothership which appears above the Mega-bods ends the current level, and starts you again from the beginning, with faster enemies.