Unblock Puzzle
Move original horizontal and vertical blocks to free the target block.
Runs in your browser — nothing is uploadedPreparing your local workspace…
Progress and scores stay on this device. Return to this page to continue; no account or game server is required.
How to use Unblock Puzzle
- Choose options and start an original puzzle.
- Use the visible controls, keyboard or touch; Undo reverses the last move.
- Review your result or return to this page to continue the saved game.
Questions
What are the Unblock Puzzle rules?
Blocks cannot overlap or turn. The hint uses breadth-first search and reports a shortest move count only when the search proves it.
Are my game moves uploaded?
No. The board, clues and searches stay in this browser. Only safe categorical tool events may be recorded; puzzle contents, solutions and move history are never sent to analytics.
How does local progress work?
This page restores its own saved board, score and recent undo history when browser storage is available. Clear site data to remove it. It never automatically opens from the homepage.
Are hints always shortest?
Only a completed breadth-first search proves a shortest path. A bounded search can stop without a conclusion; it will not claim an optimal move count. New boards are generated with a legal solution path.