boxes.

Boxes can be pushed, never pulled. boxes. is a box-pushing puzzle made of glass. Walk around the warehouse and push every box onto a goal. That's the whole rule, but a box you've pushed can't be pulled back. Push it into a corner and it's stuck for good. Push them in the wrong order and the stage can no longer be solved. - Know the moment you're stuck The instant a stage becomes unsolvable, the screen glows red. Step back with UNDO or start over with RESET. You only ever have to think about how to solve it, never whether it's still solvable. - 557 stages, ordered by LEVEL The first 7 stages are tutorials on pushing, push order and taking the long way round. Then come stages with one box, two boxes, and on up to twelve-box puzzles. Every stage carries a LEVEL worked out from how much searching and how many detours it takes, and they're ordered from easiest to hardest. Every stage is…