"Hard" Puzzle Pack for GraphiLogic.Challenging puzzles, recommended to experienced solvers only. (You've been warned... :) )
55 Graphilogic Puzzles. 46 color, 5 single-color, and 4 mosaic puzzles of hard difficulty. Puzzle size is varying from 15x20 to 30x40.
Please install the free GraphiLogic application to play with the puzzles.