A Windows Minesweeper clone.
Turtle Minesweeper proposes 3 pre-defined levels of play: Beginner (8×8 grid with 10 mines), Intermediate (16×16 grid with 40 mines) and Advanced (30×16 grid with 99 mines). There is also a custom game level where you specify the grid size and the number of mines to find.
Version 1.1.7 for Mac OS 8.6 or later