Dungeon Crawl Stone Soup is described as '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'. There are more than 25 games similar to Dungeon Crawl Stone Soup for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is Cataclysm: Dark Days Ahead, which is both free and Open Source. Other Dungeon Crawl Stone Soup like games are Shattered Pixel Dungeon (Free, Open Source), Pixel Dungeon (Freemium, Open Source), NetHack (Free, Open Source) and Brogue (Free, Open Source).
Dungeon of the Endless is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their...
Pathos is a roguelike adventure game based on the rule set from Nethack. Choose from 13 classes and journey deep into the dungeon. Descend to hell to defeat your nemesis before escaping the dungeon with all the loot you can carry!
Egoboo is an open source, cross-platform computer game. It's a three-dimensional dungeon crawling adventure that borrows a lot of elements from the roguelike genre. Egoboo is still under development, but it is fully playable.