PUZZLE FERN

Your play stays here.

This release runs locally in your browser. We do not send your game moves, scores, or saved boards to a server.

What is saved

Each game uses separate localStorage records on this device.

• Block Puzzle: Your current game and best score stay in this browser. Use New game to start over; clearing site data removes the save.
• Mahjong Connect: Your remaining tiles and progress are saved in this browser. A new game replaces the current board; clearing site data removes the save.
• Kakuro: Each puzzle keeps its own entries and notes in this browser. Switching puzzles preserves your progress; restarting clears that puzzle only.
• Killer Sudoku: Each Killer Sudoku saves its digits, candidate notes, selection, note mode, and up to 200 undo steps separately in this browser. Refresh or switch puzzles to resume; restarting clears only the current puzzle.
• Nonogram: Each Nonogram saves its squares, marks, selected tool, and up to 200 undo steps in this browser. Switching puzzles keeps separate progress; restarting clears only that puzzle.
• Arrow Puzzle: Each Arrow Puzzle level saves its removed arrows in this browser. Switching levels keeps separate progress; restarting resets only the current level.
• Water Sort: Each Water Sort level saves its bottles and up to 200 undo steps separately in this browser. Switching levels keeps progress; restarting clears the current level only.
• Fruit Merge: Fruit Merge saves the current basket and personal best in this browser. Refresh restores an active round paused; press Resume game to continue. A new game clears the basket but keeps the best score.
• Binairo: Each Binairo puzzle saves its grid, selected square and up to 200 undo steps in this browser. Switching puzzles keeps separate progress; restarting clears only the current puzzle. If storage is unavailable, progress remains only in the current page session.
• Hashi: Each Hashi puzzle saves its bridges, selected island, and up to 200 undo steps separately in this browser. Switching puzzles preserves progress; restarting clears only the current puzzle. When storage is unavailable, the current session still works.
• Skyscrapers: Each puzzle saves its numbers, notes, selected square, note mode and up to 200 undo steps in this browser. Refresh or switch puzzles to resume. Storage denial keeps progress only in the current page session.
• Lights Out: Each Lights Out circuit saves its lights, selected square, Preview tap setting, flip count and up to 200 undo steps in this browser. If storage is unavailable, progress remains in the current page session while switching circuits.
• Number Match: Each puzzle saves its numbers, remaining adds, selection and up to 200 undo steps separately in this browser. Switching puzzles preserves progress. With storage unavailable, saves still last within the current page session, including when switching puzzles.
• Suguru: Each Suguru puzzle saves its digits, candidates, selection, note mode and up to 200 undo steps in this browser. Refresh and switch puzzles to resume. If storage is unavailable, switching puzzles retains progress only within the current page session.
• 15 Puzzle: The board, move count and up to 200 undo steps save separately for every start. If browser storage is unavailable, progress stays in the current page session, including when switching starts.
• Sokoban: Each level saves the player, boxes, move and push counts, and up to 200 undo steps separately in this browser. When browser storage is unavailable, switching levels still preserves progress for the current page session.
• Peg Solitaire: Each start saves its peg positions, selected peg, keyboard focus, jump count and undo history in this browser. If storage is unavailable, switching starts preserves progress during the current page session.
• Futoshiki: Each Futoshiki puzzle saves its numbers, candidates, selected square, note mode and up to 200 undo steps separately in this browser. If storage is unavailable, switching puzzles retains progress only within the current page session.

If storage is unavailable, you can still play, but your progress may not be saved.

Local activity events

Starts, moves, finishes, restarts, resumes, and game loading problems are recorded in sessionStorage for this tab, up to 200 recent events. These are used for local diagnostics, carry no player identifier, and are not transmitted to an analytics service. Closing the tab normally clears this session record.

Your controls

You can export or import a saved-game backup on this device. Backups stay in your browser or the file you download; they are not uploaded to a server. Progress at our old address does not transfer automatically.

Clear this site’s browser data to remove saved games, best scores, and session events. This release uses no analytics cookies, advertising pixels, accounts, or remote fonts.

Hosting and future games

This site is hosted on Cloudflare Pages. The host processes request information, such as IP addresses and traffic routing data, to deliver and protect the site. Read Cloudflare’s privacy policy for details.

Before adding an analytics service or externally hosted game, we will update this page to describe the services actually used.

Updated October 19, 2026.