Legend of Grimrock is described as 'Dungeon crawling role playing game with an oldschool heart but a modern execution. A group of prisoners are sentenced to certain death by exiling them to the secluded Mount Grimrock for vile crimes they may or may not have committed' and is a Turn Based game in the games category. There are more than 10 games similar to Legend of Grimrock for a variety of platforms, including Windows, Steam, Mac, Android and iPhone apps. The best Legend of Grimrock alternative is FreedroidRPG, which is both free and Open Source. Other Legend of Grimrock like games are 7 Mages, Divinity : Original Sin, The Deep Paths and Wizardry.
Same gameplay, quite similar graphical style.