Core mechanics
Photo puzzle: a brain teaser made by dividing a photograph into sections that must be reordered. Sliding puzzle: a puzzle whose parts change position through sliding or selection. Strip: a horizontal section of an image. Grid: an image divided into rows and columns.
- ✓ Correct position: a section's original location
- ✓ Hint: a temporary preview of the complete photograph
- ✓ Move: one change to the puzzle order