8A bit overrated: needs more speed and better collision detection. Very hard, but upgrade system keeps you playing. Music sucks. Fun enemy design hurdles you into a psychedelic nightmare of hostility. NOTE: 2 player VS. and co-operative available.

10Ok, I'll admit, this game is hard as nails, but at the same time it's balanced, fun and addictive. Plus its sheer variety of ships and powerups keeps you from playing it the same way twice! (My favourite ships are Aether Squid and Prong.)

10Cool retro graphics and good sound effects. The game is highly polished and comes with a very nice highscores list. Above all, the gameplay is excellent (although I would have liked to be able to slide by default).