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.
Topbi
Pong
Clean
Logo
Chris
Red A
Color
Acorn
Quick
Top J
Zombi
Rooft
11 Ki
Uno H
Ragdo
Sky C
Surf
Expre
Woodo
Docto
Ice C
Tankd
4 Ima
Text
Funny
Merma
Math
Elsa
Oil T
Jack
Ladde
Unico
New Y