Quoxxo

Quoxxo is a clean, quiet binary logic puzzle. Fill every square in the grid with an X or an O until the whole board obeys three simple rules — then share it, or race a friend on the exact same puzzle. If you enjoy Binairo, Takuzu or other binary logic puzzles, Quoxxo will make you feel right at home. THE RULES - Never three of the same symbol in a row or column - Each row and each column holds an equal number of X's and O's - No two rows are identical, and no two columns are identical Every puzzle has exactly one solution. There's no guessing — just logic. THREE SIZES, PLUS A DAILY - Easy — 6×6 grid - Medium — 8×8 grid - Hard — 10×10 grid - A new Daily puzzle every day, the same board for everyone RACE A FRIEND — NO SERVER NEEDED Every puzzle has a 7-character code. Send it to a friend and you'll both get the identical grid, so you can see who solves it faster. No account, no login, no server. Just a code. BUILT TO RESPECT YOU - Pay once — no ads, no in-app purchases, no subscriptions - Completely offline — the game never needs the internet - No accounts and no sign-up - No analytics, no tracking, no data leaves your device - Scores stay only on your phone MADE YOUR WAY - Optional real-time error highlighting while you learn - Show or hide the timer - Choose your tile colours - A local scoreboard of the puzzles you've solved Quoxxo is made by Redders IT — small, focused puzzles that respect your time and your privacy.