Score 5000 points.
Score 15000 points.
Score 35000 points.
Score 50000 points.
Score 15000 points without dying.
Score 30000 points without dying.
Destroy the 10th bridge.
Destroy the 30th bridge.
Get an extra life.
Destroy 10 consecutive bridges without ever going below half fuel.
Destroy 3 consecutive bridges while constantly flying at max speed.
Destroy 5 consecutive bridges while constantly flying at minimum speed. Don't fall asleep, you may crash.
Get to the fifth bridge without dying and shooting no more than 15 times.
Destroy 30 things with less than half your fuel without dying.
Destroy 3 consecutive bridges without refueling.
Destroy 200 things in one run.