Swipe from either piece. The piece you touch follows the swipe and the other tries to move in the opposite direction. Bring both pieces to their goals in the same move.
Solve 48 boards in four chapters. Combine portals, pressure plates and gates, one-way passages, and sliding tiles. Undo moves, ask for a hint when you need one, and pick up where you left off.
Improve your best score on each level. Fewer moves earn more points. Each hint costs 100 points for that attempt.
Move two pieces in opposite directions and solve 48 logic boards.