Explore 46 puzzles freely
Place numbers 1-9 without repeating in rows, columns, or boxes
Move disks between pegs to solve the classic puzzle
Find all valid Sets from the card attribute combinations
Fill the grid so each row and column has unique numbers satisfying cage operations
Analyze the pattern in the 3×3 matrix and select the shape that completes it
Binary logic puzzle — fill the grid with 0s and 1s
Place numbers without repeats in each row and column while satisfying inequality signs
Fill blank cells with numbers 1-9 so each group sums to its clue. No repeats within a group!
Use number clues to deduce the location of hidden mines
Place light bulbs to illuminate all white cells. Bulbs must not shine on each other!
A number-elimination logic puzzle
Follow Sudoku rules and make numbers in each cage sum to the target value
Place 1-N in each row and column without repeats, satisfying border clues
Fill thermometers from the bulb to match row and column clues
Place tents next to trees matching row and column clues
Partition the grid into domino pairs with no duplicates
Guess the hidden word using letter clues
Remember and compare positions from N steps back
Memorize and repeat color sequences to train serial recall
Remember and reproduce grid patterns for visual memory training
Find matching card pairs to train visual and associative memory
Track position and color simultaneously, comparing with N steps back
Use number clues to paint cells and reveal the picture
Find the rotated version of the original shape
Recreate the target pattern using block tiles
Place all pieces to fill the silhouette with no gaps
Fill the target silhouette using all 7 Tangram pieces
Draw lines between dots to form a single closed loop
Connect islands with bridges matching their numbers to form one unified network
Place stars in each row, column, and colored region following the adjacency rules
Divide the grid into rectangles matching the given numbers
Draw a closed loop following black and white circle rules
Use number clues to correctly fill islands and sea cells
Compare two images and find the differences
Find the target shape among distractors as fast as you can
Connect numbers and letters in order
Swipe tiles to merge matching numbers. Reach the target tile to win!
Identify ink colors to train inhibitory control
Identify center arrows to train selective attention
Tap for green circles, hold back for red — response inhibition training
Train cognitive flexibility through rule switching
Connect same-colored dots with lines and fill every cell
Tap pipe tiles to rotate them. Connect all pipes into a single network from the central source.
Push all boxes to their target positions
Slide vehicles to free the red car through the exit
Place mirrors to reflect the laser beam to the target