Sudoku Up Solitaire includes millions of different puzzles to keep you entertained for years to come... No need to search for other sources of Sudoku! Sudoku Up includes five difficulty levels to challenge you. Enjoy the detailed statistics of each game with graphs, 3D pie and bar charts, and tables to estimate your skill level. Options include total games, current session, series of wins and losses, player's games won, players' scores and hi-scores, statistics for all games, won and lost games, and skipped games.