It’s always the way isn’t it? You try and fly your spaceship around and some idiot puts plasma bolts in the way. Well, it’s either crash into them or shoot them, and I’m not prepared to crash. Have you seen how much the insurance premiums are on a space ship?
See the Atari 8-bit version of Plasma Bolt
See the Acorn Electron Version of Plasma Bolt
See the Vic-20 version of Plasma Bolt
See the ZX81 version of Plasma Bolt
Also very similar to Sentinel-1 on the Vic-20 Cassette 50