Griddlers puzzles

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Random picture

Tree (nr.14)
Solve online Open
Difficulty: 2
25 x 25

Another random

Author of website:
Martin Petříček
Contact:
Email


About server

Author of these pages is Martin Petříček
Contact:

You can distribute griddlers from this server in printed or in electronic form, but you must not alter these pictures in any way and you must not charge money for it.
For solving the pictures you must have browser with Javascript support (and have Javascript on)
Online solving is functional in Opera, Mozilla, Firefox, IE and other standards-compliant browsers.

How does difficulty levels work?

Difficulty levels

Easiest1
Easy2
Average3
Bit harder4
Hard5
Brutally hard6
Number of difficulty squares correspond to relative difficulty among other pictures here and can change slightly over time - if I add some very hard pictures, the difficulty can drop one step among some of the pictures. Pictures are divided into five groups of approximately equal size (each one having 20% of pictures).
Especially hard pictures with "Hard" difficulty are marked with a small skull symbol - these are still solvable but you will train your brain very hard with them :o)

History of changes

19.10.2005Added english translation
24.10.2005Correted misalignment of toolbar buttons in online solver and added keyboard shortcuts
17.11.2005Added extra difficulty level
29.11.2005Added english names
17. 1.2006Added random picture
9. 4.2006Modified archive