PURENRUPU PUZZLES ONLINE

 

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Purenrupu ("Pure Loop") is a logic puzzle. It is created by Naoki Inaba (Japan). A square grid contains several black cells. You have to draw a single loop. The loop visits all the empty cells exactly once.

Follow the instructions below to create the Purenrupu puzzles from this website.

• LEV: choose your starting level. The number of available puzzles is in parentheses.
• PUZ: enter the number of the puzzle that you want to make.
• START: the puzzle of your choice will now be loaded.
• Choose one of the 7 options below the puzzle.
• Click on a cell in the grid where you want to have that shape.
• Click ✓ to check the Purenrupu puzzle for errors.
• Click SOL to show solution.