Browse Games
Math
5Arithmetic, algebra, geometry — puzzles powered by numbers and shapes.
Daily Drill
A 5x5 math digging adventure. Calculate your way to the target!
Algebraic Substitution
Solve the variable puzzle.
Arithmetic Construction
Build an equation to reach the target number.
Area Estimation
Match the fluid area of irregular polygons.
Subset Sum (Knapsack)
Fill cart to exact budget.
Words
5Letters, spelling, word-finding — language puzzles in many flavors.
Letterdrop
Fill in the missing letters to complete the words.
Wordbox
Drop polyomino shapes onto the grid to reveal hidden words.
Word Links
Two hidden words, one tile tray — every clue links them.
Wordcross
Fill the grid to spell the target word!
Word Glide
Slide letter tiles into a row to spell a word.
Logic
6Pure-reasoning puzzles. Deduce, eliminate, solve.
Polygon Fitting
Fit geometric shapes into the container.
Tile Pattern Match
Match groups of tiles to clear the board!
Logic Constraint
Arrange items to satisfy logic clues.
Voronoi Coloring
Color regions so no neighbors share a color.
Visual Pattern Matching
Fill the hole in the pattern sequence.
Twin Tiles
Find twin patches and clear matching patterns until the board is empty.