Every time you make the correct pattern, the game becomes difficult. The game starts easily when you have only two or three changes to make. Required changes start to increase as you progress through the game. And the real fun begins when the small grid which you observe starts to rotate.
Wrest
Matri
Offro
Fruit
Dunk
Smash
Stole
Bird
Popco
Car P
Schoo
Puzzl
Castl
Ball
Smash
Bts E
Lucky
Lego
Princ
Vex 4
Comma
Spide
Find
Free
Keepe
Crazy
Weddi
Princ
Yummi
Knock
Ludo
Fashi
Spide