A single-player, text-based, roguelike game

 Zangband is a single-player, roguelike game, based on Angband. Like
 Angband, Zangband features unique foes, artifacts, monster pits and
 vaults. Additionally, Zangband offers a new spell system (life,
 sorcery, nature, chaos, death magic), a different monster list,
 speaking unique foes, rumours, warrants, new ego items, backstabbing
 from rogues, poisoned weapons, and much more.