This game will truly turn your brain on, even if you are tired or sleepy. There are squares of different colors located randomly on the layout. Merge them between each other to create one single square at the end of the level.
If you want to play a smart game, then Merge RGBY is for you. This game is complicated and simple at the same time. It looks simple with only having few squares colored red, green, blue and yellow colors, however, you have to merge them in order to complete the level. Find two squares of the same color and merge them into one. Continue doing it until you have only one square left!