Rogue Castle!

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.

100 Rogues is a dungeon crawling fantasy adventure available on iOS for iPhone, iPod Touch and iPad. It features vivid pixel art, charming characters, and is a quick, pick-up-and-play challenge.