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.
Towin
Hexa
Magi
Flapp
Schoo
Froze
Five
Draw
Craft
Paws
Knife
Happy
Garde
Super
Fish
Bobbl
Black
Steve
Noise
Logo
Macet
Pandi
Judys
Baby
Save
Water
Mineb
Ring
Falli
Pigeo
Golde
Carpa
Jungl