Very Easy Puzzles

Easy Puzzles

Medium Puzzles

Hard Puzzles

Very Hard Puzzles

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Sudoku
Sudoku

Play the classic japanese logic game.

Einstein's Riddle
Einstein's Riddle

Einstein said that only 2% of the world could solve this problem. Can you do it?

IQ Tests
IQ Tests

Solve our exclusive IQ Tests and get your result for free.

Greek Logic
Greek Logic

Fill the grid using the Greek letters.