This game is worth an honourary mention -
This next game twisted my melon, horizontal scrolling (reverse too!), black holes, 1000s enemies with guided missiles, mountains and mayhem all scrolling at breakneak speed, oh and more buttons than a steampunk corset. I would be lucky if my 20 pence lasted a minute, invariably just after some deaf dumb and blind kid had been playing for an hour and a half for the same investment. I still think this game came from hell -