Find the hidden calculation that equals the target number
Solve a daily sudoku
Wordle for chess; reveal hidden squares in a checkmate position
Guess the equation with number hints
A unique mini-crossword puzzle where all the answers are numbers.
Estimate the answer to a daily trivia question using real-world numbers. How close can you get?
Clear the board by matching numbers. New puzzle each day.
A daily number logic puzzle using Sum and Shape as the Fingerprints to solve for the hidden number.
Simple Wordle-style game of guessing a 5-card combo in 6 guesses.
Guess the angle in 4 guesses or less, Each guess will tell you how close and which way to go.
Fill a 5ร5 grid with all 6 chess piecesโone per cageโso no piece attacks another.
Work your way to the correct element by using the atomic number, group, period, and other facts!
Solve a daily chess puzzle
Guess the 5-digit prime number
Guess the hidden number with numerical hints
Daily logic riddle with hints, answer checking, archive, and logic games.
Use the numbers provided to make the target goal.
Find three Fibonacci-like sequences connected by a single shared number.
Decrypt intercepted intel
Solve the grid by matching sums
Daily 4 random numbers that the user has to use to reach 67
A shape-shifting Sudoku challenge--progress from 4x4 to 9x9 in one sitting.
Guess the day's angle in 4 tries with hot-cold feedback.
A daily puzzle game where you fit colorful polyomino pieces into a 7x7 board until its filled.
A daily forest logic puzzle: forage two mushrooms per row, column, and region, none touching.
Daily math game: crack the hidden equation from colour clues. Nerdle-style, no login.
Daily logic puzzle: place markers by row, column and region. LinkedIn Queens with maths.
Daily region-logic puzzle with a duck theme. Place ducks so every pond and line fits.
Free daily 60-second cognitive audit - score, streak, share. New puzzle every day.
Free daily cipher game - crack the code, score, streak, share. New cipher every day.