The object of game is to position the orbs so that no lines overlap. Yellow or red color indicates there is one or more tangled state, green indicates free. Touch and drag an orb to move it to desired location. Try to solve the puzzle in fewer moves.
"Practice" mode allows selecting of level to play, "Challenge" mode allows levels based progressive mode of play.

The object of game is to connect water pipes from "in" pipe to "out" pipe, you must finish the work before water reached. The more pipes passed by water the more scores.