Killer Sudoku by Logic Wiz

Killer Sudoku by Logic Wiz is a free entertaining logic game and brain training app from Logic Wiz. It features six playing levels from Beginner to Master, handcrafted boards, and useful tools such as a hidden cages creator, combination panel, killer calculator, and double notation. Smart hints guide you to the next logical step to improve your solving skills.

The app supports cloud sync across devices, light and dark themes, flexible pencil-mark options, unlimited undo/redo, and performance tracking. It has been recognized as a top Sudoku and brain-training app, delivering an engaging experience for casual solvers and puzzle enthusiasts alike.