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.
Garde
Emoji
3d Da
Bottl
Unico
Chine
Butte
Ben 1
Pj Ma
Chris
Barbi
Squid
Magic
Block
Priso
Coron
Fishe
Peppa
2cars
Farm
Color
Water
Back
Princ
Pop I
Draw
2248
Mysti
Hidde
Winte
Pop I
Patte
He Li