Small puzzles.
Better moves.
Find your next five-minute challenge. Play at your own pace, or learn a new way to solve it.
A place for
every piece.
Meet Tile Shift. A familiar puzzle with room to think.
Play Tile Shift ↗What feels fun today?
A little logic, a little memory, a little “one more try.”
Tile Shift
Slide the numbers into place, one thoughtful move at a time.
Memory Match
Find eight matching pairs in a quiet game of observation.
Light Switch
Untangle a grid where every move changes more than one light.
Number Merge
Combine equal numbers and work your way toward a 2048 tile.
Line Three
Play a compact strategy classic against a careful opponent.
Sum Select
Pick numbers that add up to the target in ten untimed rounds.
A good move starts with an idea.
Sum Select: find every answer without counting one twice.
Use a largest-tile ledger to find all nine solutions on one fixed board, then retry pairs, triples, and a four-tile answer.
02Patterns & coordinatesLine Three: rotate the whole position, not just the winning square.
Transfer a winning move through rotations and reflections, and learn when similar-looking squares are no longer interchangeable.
03Patterns & proofLight Switch: test a hand-made board before you chase it.
Use two marked-square counts to reject impossible 5 × 5 diagrams, then check your reasoning in an editable board exercise.
Take your time.
That’s part of the fun.
Our puzzles have no countdowns, entry fees, or public leaderboards. Try a move, notice what changes, and make the next one a little more deliberate. The guides explain the rules and the reasoning, with examples you can try for yourself.