Find the hidden calculation that equals the target number
Wordle for chess; reveal hidden squares in a checkmate position
Solve a daily sudoku
Guess the equation with number hints
Guess the hidden number with numerical hints
Guess the 5-digit prime number
Solve a daily chess puzzle
Work your way to the correct element by using the atomic number, group, period, and other facts!
Fill a 5×5 grid with all 6 chess pieces—one per cage—so no piece attacks another.
A shape-shifting Sudoku challenge--progress from 4x4 to 9x9 in one sitting.
A unique mini-crossword puzzle where all the answers are numbers.
Guess the angle in 4 guesses or less, Each guess will tell you how close and which way to go.
Simple Wordle-style game of guessing a 5-card combo in 6 guesses.
A daily number logic puzzle using Sum and Shape as the Fingerprints to solve for the hidden number.
Clear the board by matching numbers. New puzzle each day.