Daily games, rules, solvers, strategy, and input help
Sorting Puzzle Guides
Choose what you want help with. Start with the Daily games if you want a puzzle to play, see how the site chooses and checks levels, or open the guide for the tool already on your screen.
Play and understand the Daily games
Compare Water, Ball, and Stack Sort, or learn the less familiar Stack Sort rules with a move-by-move picture.
Which Daily Sorting Game Should You Play?
Compare Daily Water Sort, Ball Sort, and Stack Sort by the move you make and the help available on each page.
Best for: choosing one of today’s three sorting puzzles.WaterBallStackChoose a Daily game Daily Stack Sort - RulesDaily Stack Sort Guide
See how the hand tile moves, when question tiles reveal their colors, and why finished columns lock.
Best for: learning the hand, hidden-tile, and rainbow finish rules.One-move pictureQuestion tilesSimple strategyLearn Stack SortSee how levels are chosen and checked
Learn how the Daily schedule stays fixed, how the three rule sets are verified, and which facts help explain puzzle difficulty.
How SortingGames.io Measures Puzzle Difficulty
See how colors, working space, legal opening moves, buried pieces, hidden tiles, and verified routes explain a level label.
Best for: understanding why two similar-looking levels can feel very different.Real level dataDifficulty signalsBoard examplesSee how difficulty works Daily Challenges - Behind the scenesHow Daily Sorting Challenges Work
See how UTC dates, fixed schedules, solver checks, replay checks, and browser saves work across all three Daily games.
Best for: understanding why the puzzle stays fixed and how each level is checked.UTC scheduleLevel checksLocal savesSee how Daily levels are chosenChoose the right rules first
Water Sort and Ball Sort can share the same-looking arrays, but they do not move the same way.
Water Sort vs Ball Sort
See why connected liquid layers and separate balls need different moves, strategies, and solvers.
Best for: choosing the correct rules and solver for the puzzle on your screen.Rule comparisonMove exampleSolver choiceCompare the rulesUse the correct solver
Pick the guide that matches the objects in your puzzle: connected liquid layers or individual balls.
How to Use the Water Sort Solver
Turn a bottle layout into bottom-to-top JSON, verify the preview, solve it, and inspect the replay.
Best for: checking a liquid-layer puzzle or understanding a Water Sort move list.JSON inputValidationReplaySet up the Water Solver Ball Sort - SolverHow to Use the Ball Sort Solver
Enter complete tube JSON, pass the four-ball checks, and replay a solution one ball at a time.
Best for: solving a standard tube puzzle with discrete one-ball moves.Tube JSONOne-ball ruleSearch statesSet up the Ball SolverPlan moves and enter tubes correctly
Learn how to use top-ball order and empty tubes, then record the exact board when you need the Solver.
Ball Sort Strategy Guide
Plan top-ball order, use empty tubes as buffers, protect good stacks, and recover from tight boards.
Best for: players who know the rules but still run out of useful tube space.Top ballsEmpty tubesRecoveryPlan better moves Ball Sort - InputBall Sort Tube JSON Format
Write every tube from bottom to top, include empty tubes, and pass the exact four-ball checks.
Best for: fixing an upside-down preview, missing tube, or color-count error.Bottom to topEmpty tubesValidationUnderstand tube JSONImprove strategy and input accuracy
Learn how to protect working space, then make sure the Solver receives the board you actually see.
Why Water Sort Puzzles Get Stuck
Read six real board cases showing lost empty bottles, one-way matches, large-pour traps, and when Undo is enough.
Best for: seeing exactly where a legal pour closes a working route.6 real boardsWrong vs rightUndo or restartStudy the deadlock cases Water Sort - StrategyWater Sort Strategy Guide
Plan pours around empty-bottle space, connected top groups, buried colors, and safe finishes.
Best for: players who can make legal pours but still get trapped later.Empty bottlesColor groupsRecoveryLearn better pour strategy Water Sort - InputBottle JSON Format Guide
Learn exactly how bottles, layers, empty containers, color IDs, and wrapper objects are written.
Best for: fixing an upside-down preview, count warning, or invalid level input.Bottom to topColor IDsExamplesUnderstand bottle JSONReady to work on a puzzle?
Open a sorting puzzle tool
Build a Water Sort layout, search either ruleset, or review a shared Water Sort solution.
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Choose the sorting style that matches the way you want to play.