Reversing blocks
When you drag, a block appears where there was no block, and the block disappears where there was a block. Drag it and create a new path that never existed before!
Even a small change in the area you drag can create unexpected new paths. Find the optimal answer among many possible answers.
You must complete each stage by turning it around within a set number of times. Make good use of double jumps, 'reverse', etc. to clear the stage.
New blocks
New blocks such as springs, lasers, etc. appear in each chapter. You must clear it by interacting with various blocks.
