Protect cool columns from filling up completely in 5 absorbing puzzle games! Take out pieces of the columns and make one-color lines of them. Such lines vanish, increasing your score and freeing the board. For one turn this is possible to take out the various number of pieces, depending on game. Full variant features: Unlimited games play. Undo and Redo up to 80 turns of games. Save your games to start where you left off.