What an awsome port this was. Even years later after having played other versions, I still think the spectrum version stands up well and shows the developers really put the effort in on this one. Its a short game, but its has multiple gameplay types and music for each level. A great port and I never regreted buying this game.
Only niggle is that there is no ending as such, and it just loops from level one again, only harder (take more damage from hits). Hardest level was the Balloons level which was nigh on impossible. Took me more then a few goes to get through. God knows how it would be on the second loop with higher difficulty.