Goal: create a loop using all path pieces.
Click the 5x5 board.
25 square tiles with red and blue path pieces will be dropped by the system onto the board.
Click two tiles to make them swap places.
The U-shaped border pieces cannot be moved.
You win when you have created a closed loop using all path pieces.
Click one of the four corner pieces with a question mark '?' to check whether you have won.
After clicking the question mark, all square tiles which are connected to the piece at position a2 (at lower left) will be highlighted. This helps you to correct your errors.
Note that even if all pieces are highlighted, you still might not win if the path consists of more than one loop. For this reason the system also marks (with blue balls) the positions which have been visited, but which also carry pieces of a secondary loop.
(Of course, if a secondary loop goes through one of the U-shaped border pieces, it can be easily identified since this border piece is then not highlighted. However, it may happen that a secondary loop does not use any boundary squares. In these cases the blue balls are a big help.)
Click the question mark again to reset the highlighting. Now you can go on swapping pieces.
You can use the win-check to monitor your progress as often as you like.
The less moves you need the better.
Variant 2: '6x6' : 36 pieces dropped
Variant 3: '7x7' : 49 pieces dropped
This game uses a set of sixty tiles.
Each tile can occur up to ten times.
Please note that there is an alternative piece set available.
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