Suduxo

Suduxo is a calm, modern Sudoku app for beginners and experienced solvers. Every day, everyone receives the same numbered puzzle, ready to share as a result card without revealing any answers. Play Classic Sudoku for free on Calm, Medium and Hard. Suduxo Plus also unlocks Killer, Thermometer, Diagonal, Windoku, Arrow and Suduxo's original Echo variant, plus Expert and the new Extreme master challenge. Every Extreme puzzle has exactly one solution and has been verified as logically solvable without guessing. Choose manual notes, smart clearing or automatic candidates. Undo and redo are always free, and you can reset the same puzzle without losing the option to undo the reset. Every completed board receives a score based on difficulty, variant, time, precision and how independently it was solved. Fastest time and best score are stored separately. Suduxo Academy teaches techniques ranging…