Instructions: This is a puzzle which when you click on one square, the square that is clicked on and the surrounding squares (the surrounding squares which also change colour depends on what mode you choose) also change colour from either yellow to green or green to yellow. Try to get all the colours required (the mini squares at the sides) within the time limit. (time limit depends on what difficulty you choose, easy difficulty has no time limit) Spoilers: Take the squares position as 123 456 789 In straight lines mode, if u click 1,3,5,7 and 9, every square would change to the opposite colour. In diagonal mode, if you click 2,4,5,6 and 8, every square would change to the opposite colour.
Thanks to 181634B_hci for part of the coding.