First power upgrade purchased

Maximum power expansion stage reached

5.000 bullets fired

10.000 bullets fired

Lost 10 lives

Lost 20 lives

100 enemies killed

500 enemies killed

100.000 credits spent

500.000 credits spent

100.000 credits earned

1.000.000 credits earned

Level 5 finished

Level 20 finished

Level 30 finished

Level 50 finished

Level within 30 seconds finished

10.000 bonus earned

15.000 bonus earned

First shield upgrade purchased

First ship purchased

First agility upgrade purchased

Maximum shield expansion stage reached

Maximum agility expansion stage reached