SudoKu Master: Sudoku Academy

SudoKu Master is a Sudoku app that teaches you how to solve, not just what to tap. PLAY 480 hand-verified puzzles: 80 levels each in Beginner, Easy, Medium, Hard, Expert and Nightmare. Every puzzle has exactly one solution and a logical path to it ‚Äî the solver checks each one before it ships, so no puzzle ever needs a guess. Beginner, Easy and Medium are open from the start. Hard, Expert and Nightmare open after five completed levels in the difficulty below. LEARN 59 techniques in seven stages, from reading the grid to the structures that extreme puzzles need: Foundations, Intersections & Subsets, Single-Digit Patterns, Fish & Wings, Uniqueness, Chains, and Professional Mastery. Each lesson says what to look for, why it works, and the common mistake ‚Äî then hands you a real puzzle that needs it. Every technique has up to 50 generated practice positions, each one machine-checked…