Survive for thirty seconds moving at max speed to the right, with 4 or more asteroids on screen throughout

While constantly spinning and without dying, destroy 20 asteroids

Survive for one minute with 8 or more asteroids on screen

Reach a score of 10,000

Reach a score of 25,000

Reach a score of 40,000

Destroy any 5 UFOs consecutively without shooting an asteroid or dying

Reach a score of 10,000 without dying and without allowing any UFO to escape

Reach a score of 5000 without using the throttle and without dying

Reach a score of 10,000 without dying and without any UFO being destroyed (by the player)

From the start of the game, survive for two minutes and thirty seconds without firing

Have 22 or more asteroids on screen at the same time