81 Squares FREE 數獨 스도쿠 81乗 Судоку 10000 puzzles
from elogicpuzzles.com, originally released 5th January, 2011
10,000 Classic Sudoku Puzzles! Enough so that you may not ever need to buy another Sudoku game or book again!
Boasts the following features:
1) Upload your scores to the web (optional - server allows upload of one high score per puzzle for each device - no cheating! :)...
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discussion by Sidelines.