Angband is described as 'free, single-player dungeon exploration game. You play an adventurer seeking riches, fighting monsters, and preparing for a final battle with Morgoth, the Lord of Darkness' and is a Roguelike game in the games category. There are more than 10 games similar to Angband for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is NetHack, which is both free and Open Source. Other Angband like games are Dungeon Crawl Stone Soup, Brogue, Classic Rogue and Rogue.
Dungeon Crawl Stone Soup is an open-source, single-player, role-playing roguelike game of exploration and treasure-hunting in dungeons filled with dangerous and unfriendly monsters in a quest to rescue the mystifyingly fabulous Orb of Zot.
UnReal World is a unique combination of roguelike roleplaying game and survival simulation set in the Far North long, long ago. Throughout the years, UnReal World has been praised for its depth, realism, atmosphere and immersion.
Explore the ancient ruins, survive to the bottom level and save the world. Every time you play the game will create a new dungeon full of challenges and surprises for you in 5 different environments populated with monsters and ancient magical artifacts.