A different kind of Sudoku
Binary Sudoku
Spot the pattern. Balance every row and column using only 0 and 1.
Puzzles, cards, no interruptions
Take a quiet break with Binary Sudoku, Classic Sudoku, Meowdoku, Blackjack, or five poker games.
Ready when you are
Start immediately. No account needed.
A different kind of Sudoku
Spot the pattern. Balance every row and column using only 0 and 1.
The timeless classic
Settle in with a familiar 9x9 challenge, from Easy to Expert.
Cats and territories
Place one cat in every row, column, and colored region without letting cats touch.
Practice the table
Play six-deck Blackjack with fictional chips and optional strategy advice.
Five poker variants
Enter the Poker Room for Stud, Draw, video poker, Texas Holdem, and Five-Card Draw.
Logic puzzle
Balance every row and column without triples or duplicate lines.
One puzzle every day
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