Tametsi is a difficult logic game played on a set of tiles, in which you must use the clues provided to discover and mark hidden mines. Notable features a variety of tilings beyond the standard square grid 100 increasingly difficult hand-designed levels 60 extra puzzles to unlock mid-level progress is saved automatically over 40 hours of gameplay If you get stuck, there are also drawing tools for taking notes. Note: there is no in-game music. Although Tametsi can be very challenging, every level can be completed using logic alone: guessing is never required.