;
Hit 900 walls.
Swipe 800 times.
Change 1.750 tiles.
Complete level 15.
Change 1.375 tiles.
Swipe 900 times.
Change 1.500 tiles.
Hit 800 walls.
Change 1.625 tiles.
Night Sky Navigator
Complete level 14.
Colorful part two
Complete level 11.
Hit 600 walls.
Swipe 500 times.
Change 1.000 tiles.
Complete level 12.
Hit 700 walls.
Swipe 600 times.
Complete level 9.
Change 1.125 tiles.
Astronomy Aficionado
Hit 400 walls.
Complete level 13.
Change 750 tiles.
Swipe 700 times.
Complete level 10.
Change 1.250 tiles.
Hit 500 walls.
Swipe 400 times.
Change 875 tiles.
Complete level 4.
Swipe 100 times.
Change 500 tiles.
Hit 300 walls.
Complete level 8.
Dedicated Stargazer
Complete level 1.
Change 125 tiles.
Swipe 200 times.
Complete level 5.
Change 625 tiles.
Complete level 2.
Change 250 tiles.
Hit 100 walls.
Swipe 300 times.
Complete level 6.
Complete level 3.
Change 375 tiles.
Hit 200 walls.
Complete level 7.
I'm a Star