Sudoku Royale: Classic, Killer

Sudoku Royale is a beautiful, pure number puzzle — no ads, no subscriptions, no tricks. Just you, the grid, and the quiet satisfaction of pure logic. 5 GAME MODES • Classic 9x9 — the timeless sudoku • Killer — cages and sums for a deeper challenge • Diagonal X — the two diagonals must be solved too • Mini 4x4 & 6x6 — quick, cozy grids 6 DIFFICULTY LEVELS From Beginner to Master. Every board is generated with a guaranteed unique solution, solvable by logic alone — never by guessing. MAKE IT YOURS Switch between 6 stunning themes that restyle the ENTIRE app — deep neon, clean light, ocean, forest, sunset and zen wood — plus multiple digit styles. PLAY & PROGRESS • Daily Challenge with streaks • Game Center leaderboards & achievements • Smart hints, pencil notes, unlimited undo/redo • Detailed stats and best times PREMIUM, FOREVER One simple purchase. No ads. No subscriptions. No internet needed — play anywhere. Sharpen your mind, one elegant grid at a time.