INVERTIBLES - Turn them all on!

You can turn them all on! INVERTIBLES will help you to relax, to distance yourself from everyday problems, to develop logical thinking and short-term memory. There are cells in the game (they can be named pillows or shurikens), which are located on a various sized field. These pillows can be in one of the states: enabled (big) and disabled (small). When you tap on the pillow, it alters its state. At the same time, the states of adjacent pillows horizontally and vertically also alter. The object of the game is to turn on all the pillows with the least number of moves.