GridMaster offers a soothing yet demanding puzzle experience. Strategically place shapes on a 9x9 grid to clear lines and squares, channeling the spirit of Sudoku. With intuitive controls and a minimalist design, plan each move meticulously to achieve high scores in your own time. GridMaster, puzzle game, Sudoku-like, 9x9 grid, line puzzles, square puzzles, minimalist design, relaxing puzzle, strategic puzzle, mind-provoking, high score, puzzle addiction, mobile puzzle, free puzzle game