CONTACT
Contact Information
For questions, feedback, or inquiries,
contact: RFUSA LLC
at: info@sudoku99.app
More from RFUSA LLC
Sudoku99.app is just one of the apps created by RFUSA LLC.
Here are some others you might also enjoy.
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Sudoku meets the Bible. Each puzzle uses nine letters drawn from a daily Bible verse. Play with letters or switch to numbers.
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MySodiumTracker.com
Track your daily sodium intake from food labels. Simple, local, and private.
mysodiumtracker.com
MySugarWatcher.com
Track your daily sugar intake from food labels. Part of the RFUSA nutrition suite alongside MySodiumTracker.
mysugarwatcher.com
DoubleKingsSolitaire.com
An original solitaire card game with two modes: Double Kings and Double Aces. 25 card back designs, animated backgrounds, and three difficulty levels.
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ClubSudoku.com
Classic Sudoku with daily puzzles, archives, multiple difficulty levels, and a clean interface for serious Sudoku players.
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RoyalHop.app
An original solitaire challenge. Build four foundation stacks — two for the King and two for the Queen — down to Ace. Track your shuffles, passes, and best time.
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Timers.cx
Online timers for anything. Countdown timer, preset timers, metronome, and stopwatch — all clean and simple with no clutter.
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Sudokoo.org
Free Sudoku with the beauty of India. Choose from stunning backgrounds — the Taj Mahal, India Gate, Jal Mahal, Ganges River, stepwells and more.
sudokoo.org