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.
Coupl
Real
Hexgo
Chris
Spind
Winte
Aim C
Pik W
Hop H
Winte
Shot
Assas
Ronin
What
Jumpe
Fours
Break
Hawai
Barbi
Sweet
Zombi
Run A
Plane
Save
Comma
Barbe
The C
Princ
Funny
Light
Aqua
War Z
Pro P