v8.2 [Dec 9, 2009]
New variations of Sudoku and Tapa
Solving and creating of Nurikabe were improved
Solving of Shikaku was improved
v8.1 [Oct 23, 2009]
Solving and creating of puzzles:
Dominosa
Sum Skyscrapers
Bugs were fixed
v7.0 [Mar 9, 2008]
Kuromasu solving. Bugs were fixed.