Postcard Shift
Restore an illustrated postcard—or turn your own photo into a private little puzzle.
5–15 min 1 player
How it works
- Slide a tile beside the empty space. Arrow keys move the blank.
- Choose 3×3 or 4×4, switch numbers, or hold Preview.
- Shuffles use legal moves and are solvable. Your photo stays in memory and is never uploaded.
Controls: Tap tiles / arrow keys
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