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
Solve a daily chess puzzle
Guess the 5-digit prime number
Guess the hidden number with numerical hints
Work your way to the correct element by using the atomic number, group, period, and other facts!
A unique mini-crossword puzzle where all the answers are numbers.
Fill a 5×5 grid with all 6 chess pieces—one per cage—so no piece attacks another.
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.
Estimate the answer to a daily trivia question using real-world numbers. How close can you get?
Race the same no-guess Minesweeper board daily, with one attempt, rankings, streaks and replays.
Daily ice-slide puzzle: penguin glides until blocked; grab every fish in fewest slides. 3 a day+par.
Daily logic riddle with hints, answer checking, archive, and logic games.
A daily puzzle game where you fit colorful polyomino pieces into a 7x7 board until its filled.
Use the numbers provided to make the target goal.
Find three Fibonacci-like sequences connected by a single shared number.
Decrypt intercepted intel
A shape-shifting Sudoku challenge--progress from 4x4 to 9x9 in one sitting.
Daily 4 random numbers that the user has to use to reach 67
Solve the grid by matching sums
Five residents are hiding in today’s dungeon. You have six tries to place them.
Spot the hidden rule. One puzzle a day. Can you solve it?
Daily picture-logic puzzle (Picross): fill the grid from number clues to reveal a hidden picture.
Daily loop puzzle: draw one canal through every open square in a single closed loop.
Daily balance-scale deduction: 5 crates weigh 1-5 kg. Weigh subsets, deduce the order. Streak+share.
A daily flood it puzzle. Open one unbroken sea route corner to corner before your moves run out.
Watch objects fall, estimate the total, and test your eye across five quick daily rounds.
Free daily cipher game - crack the code, score, streak, share. New cipher every day.
Free daily 60-second cognitive audit - score, streak, share. New puzzle every day.
Daily region-logic puzzle with a duck theme. Place ducks so every pond and line fits.
Daily logic puzzle: place markers by row, column and region. LinkedIn Queens with maths.
Daily math game: crack the hidden equation from colour clues. Nerdle-style, no login.
A daily forest logic puzzle: forage two mushrooms per row, column, and region, none touching.
Guess the day's angle in 4 tries with hot-cold feedback.