Delusion puzzle is a new kind of game, which can be very hard to complete. You must turn all the round tiles to the purple squares. Click on them to swap places and get all the purple ones. Do it as quickly as you can, because the time is running. You will start with a simple level as a test, after that you will be able to choose the mode you want. It has got a easy, medium or hard mode.
Use your mouse to click and swap the tiles. See the in game instructions for more detailed info.