;
Change 1.625 tiles.
Complete level 26.
Complete level 30.
Change 1.750 tiles.
Colorful
Complete level 27.
Change 1.875 tiles.
Complete level 28.
Change 1.500 tiles.
Complete level 29.
Hit 600 walls.
Change 1.250 tiles.
Hit 1.000 walls.
Complete level 23.
Hit 700 walls.
Change 1.375 tiles.
Change 1.000 tiles.
Complete level 24.
Hit 800 walls.
Change 1.125 tiles.
Complete level 25.
Hit 900 walls.
Complete level 22.
Complete level 19.
Hit 300 walls.
Change 875 tiles.
Complete level 16.
Complete level 14.
Change 500 tiles.
Complete level 20.
Hit 400 walls.
Complete level 17.
Complete level 15.
Change 625 tiles.
Complete level 21.
Hit 500 walls.
Complete level 18.
Change 750 tiles.
Swipe 900 times.
Complete level 13.
Change 375 tiles.
Swipe 600 times.
Complete level 10.
Swipe 1.000 times.
Swipe 700 times.
Complete level 11.
Night Sky Navigator
Hit 100 walls.
Swipe 800 times.
Complete level 12.
Change 250 tiles.
Hit 200 walls.
Complete level 9.
Swipe 500 times.
Swipe 200 times.
Complete level 6.
Astronomy Aficionado
Swipe 300 times.
Complete level 7.
Complete level 4.
Change 125 tiles.
Complete level 8.
Swipe 400 times.
Swipe 100 times.
Complete level 5.
Dedicated Stargazer
Complete level 3.
I'm a Star
Complete level 1.
Complete level 2.