Game "Train your mind"

Rules:
1) Start from the clicking on the any square on the playfield.
2) You need to find two squares with the same colour on the playfield. When you find them, they will not turn off after openning. 
3) The main aim of the game is to find all squares with the same colours and to make them stay openned.  
4) If you feel that this is hard for you, you can use a little help. Just push button "Help" under the playfield and you will see colours of all squares for 5 seconds.
5) To restart the game push the button "Start" unded the playfield on the game page. 

This game was created as a part of front-end practice in the EPAM Systems.