Destroy 30 enemy ships
Destroy 100 enemy ships
Beat the game as Astro
Beat the game as Amer Din
Beat the game as Palych
Beat the game as Ling
Destroy 3 different bosses
Destroy all the bosses
Beat the first level undamaged
Die more than 10 times
Pick up more than 15 weapon capsules
Pick up more than 30 HP capsules