25 BIT!-Blek Tricky Test your brain

Details

■ □ Rules □ ■ - Tap one block, it will turn to the opposite color so do the blocks around it. - Make all blocks turn to dim color. ■ □ Hints □ ■ - When you doubtful, you can use the hint function. - Each hint will consume one hint opportunity. - If the remaining hints fewer than five times, every five minutes a hint will be recovered. Are you ready?!