Einstein said that only 2% of the world could solve this problem. Can you do it?
Choose nine unique number using one simple rule.
Using logic and basic algebra, solve the equations.
Quizzes where you only need logic to solve them.
Fill the grid using the Greek letters.
Calcudoku is a game combining arithmetic and grid-based logic similar to Sudoku.
Play the classic japanese logic game.
Complete the grid by using logic and the given clues of each problem.
Try to discover all the secret words.
Try to find the hidden word before is too late.
Combine groups of letters to recreate the broken words.
Create tons of words using the given letters.
Unscramble the words in this daily word game.
Find all the words in this unusual kind of word search.
Connect the letters to create the Lost Words in this interesting word game.
A traditional word search game updated four times per day.
Be fast to connect pipes from tap to exit before the water gushes out.
Navigate the blue energy through complex paths by rotating junctions in Hacker Challenge.
Triad is an interesting puzzle about making combinations.
Relax playing daily updated jigsaw puzzles
Try to checkmate the virtual opponent in this daily chess puzzle.
Play the classic sliding block and try to get the 2048 tile.
Control a line through a path full of obstacles to lead it to the crystal.
Embark on a thrilling espionage journey with Spy Challenge, solving puzzles from lock picking to safe cracking.
Guide planes and helicopters to safe landings to achieve high scores.
Match pairs of cards (fruits and vegetables) in this fun memory game
Have fun playing three different dominoes variations.
The classic Chinese solitaire game where you have to match identical tiles.
Designed for children, this puzzle game involves moving pieces to fit into specific slots.
This game challenges players to quickly identify and pair alike doodles to progress through levels.
Test your math skills by arranging random numbers and operators to complete the equation.
Circle Puzzle is about rearranging rotating circles to complete a range of picture puzzles.
Race against time through easy to hard mazes.
Use auditory cues to locate mysteriously invisible cats.
Challenge your attention to detail by finding hidden variances in similar pictures in Spot the Differences.
Connect the dots under time pressure to reveal beautiful pictures.
Unwrap the mystery of five friends' festive feast at a Christmas gathering.
Unite five sisters at a festive Christmas dinner puzzle to unwrap their holiday cheer.
Discover which gifts delighted the hearts of four neighboring kids on Christmas morning.
Explore the rich cultural heritage of Mexico with this Logic Grid Puzzle that celebrates the country's vibrant traditions.
Help Nina match each fine to its associated book title, library card number, and borrower city.
Match each reenactor with their role, regiment, and previous battle experience in this Logic Grid Puzzle.
Solve hundreds of fun and challenging riddles.
Figure out the missing word in each puzzle.
Using only two clues try to discover the answer for each riddle.
Use the given Emojis to solve each Emoji Puzzle.
Find pairs and remove all tiles from the board before the time is up.
Combine jewels in this steampunk-themed match 3 game.
Drag the pieces made of hexagons onto the board.
Combine 3 or more crystals to remove them from the field.
Match pairs of cards that add up to 13 to remove them from the game.
Hard solitaire game that is similar to Scorpion Solitaire.
Two-deck version of Tri Peaks Solitaire.
Solitaire game for those who like challenges.
Match the pairs to remove the from the game.
This game is similar to Spider Solitaire, but requires more strategy.
Fun solitaire game that requires luck to win.
Try your luck in this simple-to-play solitaire game.
Brainzilla is a website dedicated to everyone who likes to have fun and exercise the brain. Our games are good because:
