Blow up 1000 asteroids
Collect 2000 coins
Unlock the Space Shuttle
Unlock the Centennial Eagle from Star Trek
Unlock the weird rock ship
Unlock the UFO
Unlock the space whale
Enable all powerups simultaneously in Endless
Survive 5 minutes in Endless
Survive 10 minutes in Endless
Survive 20 minutes in Endless
Get locked into an infinite loop
Win the game!
Wow you did it the whole first level.
Skip the level where you escort the freighters
Do extra community service. For the whales