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.
Papa'
Squid
Snail
Itali
Color
Funny
Squad
The D
Eurof
45 Ch
Stop
Russi
Goat
Car L
Car E
Chris
Kids
Cooki
Evil
Subwa
Abode
Ten P
Baby
Mario
Santa
Kick
4 Pic
Find
Deser
Thank
Ufc F
Mechd
Farme