Slide on the screen to play, use just one line to reverse the color, and make the row's color become blue and green appear alternately. Draw only one line to invert the color of the block, and make the line appear alternately in blue and green. One line Reversal is a game that can test your brain. It does require your logic to complete these challenges. You can train your brain and show your gaming talents in this game, please don't miss it! If you are a lover of puzzle games, don't miss this game. If you like this game, remember to share it with your friends!