Cataclysm: Dark Days Ahead Alternatives

Shattered Pixel Dungeon is a Roguelike RPG, with pixel art graphics and lots of variety and replayability. Every game is unique, with four different playable characters, randomized levels and enemies, and over 150 items to collect and use.

Pixel Dungeon is a traditional roguelike game with pixel-art graphics and simple interface. Explore the depths of Pixel Dungeon, collect useful items, fight fierce monsters to find Amulet of Yendor (surprise!) - the ultimate artifact of this game world.

NetHack is a single player dungeon exploration game that runs on a wide variety of computer systems, with a variety of graphical and text interfaces all using the same game engine.

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.

Brogue is a Roguelike game for Mac OS X, Windows and Linux by Brian Walker.

Ancient Domains of Mystery (ADOM for short) is a roguelike game which means that it is a single-user game featuring the exploration of a dungeon complex (and in the case of ADOM a few other games of this genre: the exploration of a large wilderness area with villages and many...

Desktop Dungeons is a quick-play roguelike puzzle game that gives you roughly 10 minutes of dungeon-crawling action per serving.

Test your luck and cunning in this exciting RPG as you craft, cast, and pillage your way through Lord Dredmor's Dungeons.

Tales of Maj'Eyal (ToME) is an open-source, single-player, tactical role-playing roguelike and action game set in the world of Eyal.

A roguelike game heavily inspired by DOOM.