Arkadium's Sudoku by Arkadium

Place numbers strategically in a 9x9 grid to complete rows, columns, and subgrids without repeating digits. The classic number-placement mechanic challenges players to use logic and deduction, advancing through puzzles that grow progressively complex. Softer puzzle variations include timed modes to test speed and accuracy for casual players. Key Features • Logical number-placement mechanic • Mouse and keyboard input controls • Puzzle difficulty progression system • Timed challenge and relaxation modes • Minimalist grid and interface design