David Ross Software announced the immediate availability of UniSudoku 1.4 on Monday. The updated version of the Mac-based Sudoku game adds Universal Binary support, allowing it to run natively on PowerPC and Intel-based Macs. The puzzle generator has also been improved, a Very Easy Level has been added, and you can now pause games and track your best times. UniSudoku 1.4 is available for download at the UniSudoku Web site, and is priced at US$15.