Angband is a graphical dungeon adventure game that uses textual characters to represent the walls and floors of a dungeon and the inhabitants therein, in the vein of games like NetHack and Rogue. If you need help in-game, press '?'.
For more information, somewhere to upload your characters and screenshots, and discuss the game, try Angband Website.
If you're compiling the game yourself, read this page on compiling
-- The Angband Dev Team