Cool math Colorful Ghosts game is available for you to play online free. It is the story of lovely ghosts. They need to fall off the stage or pass through it as soon as possible. What you should implement is to make their appearance have the same color as the wall that they are standing. Be careful! You will lose the puzzle in Colorful Ghosts if you let them touch humans. Let's check out the first level and show your capability to beat the challenge right now! Good luck!
Use the left mouse to help ghosts pass through the wall.