Simon Tatham's Portable Puzzle Collection

• Black Box: Ball-finding puzzle
• Bridges: Bridge-placing puzzle
• Cube: Rolling cube puzzle
• Dominosa: Domino tiling puzzle
• Fifteen: Sliding block puzzle
• Filling: Polyomino puzzle
• Flip: Tile inversion puzzle
• Flood: Flood-filling puzzle
• Galaxies: Symmetric polyomino puzzle
• Guess: Combination-guessing puzzle
• Inertia: Gem-collecting puzzle
• Keen: Arithmetic Latin square puzzle
• Light Up: Light-bulb placing puzzle
• Loopy: Loop-drawing puzzle
• Magnets: Magnet-placing puzzle
• Map: Map-colouring puzzle
• Mines: Mine-finding puzzle
• Mosaic: Grid-filling puzzle
• Net: Network jigsaw puzzle
• Netslide: Toroidal sliding network puzzle
• Palisade: Grid-division puzzle
• Pattern: Pattern puzzle
• Pearl: Loop-drawing puzzle
• Pegs: Peg solitaire puzzle
• Range: Visible-distance puzzle
• Rectangles: Rectangles puzzle
• Same Game: Block-clearing puzzle
• Signpost: Square-connecting puzzle
• Singles: Number-removing puzzle
• Sixteen: Toroidal sliding block puzzle
• Slant: Maze-drawing puzzle
• Solo: Number placement puzzle
• Tents: Tent-placing puzzle
• Towers: Tower-placing Latin square puzzle
• Tracks: Path-finding railway track puzzle
• Twiddle: Rotational sliding block puzzle
• Undead: Monster-placing puzzle
• Unequal: Latin square puzzle
• Unruly: Black and white grid puzzle
• Untangle: Planar graph layout puzzle

Built from Joel Eager's fork. (See also: Upstream homepage and License)

Commit: 2026-09-12 35a0c57; Add web auto-save feature using JavaScript local storage API
Based on upstream commit: 2026-09-22 616da16; Mines: add a user preference for question marks.