Want to test your attentiveness? Then try to complete all levels of the addicting puzzle game Memo Flip. A square playing field will appear on the screen, divided into cells. Some of them will have white square tiles. On a signal, two of them will roll over. They will be marked with numbers. For example, these are one and two. You should try to remember where they are. After a certain time, the tiles will return to their original state. Now you will have to click on them in the sequence you need with the mouse. First you flip the number one and then two. If you did everything correctly, you will be given points and you will go to another level of the Memo Flip game.