Angband – a single-player, text-based, dungeon simulation derived from the game Moria, which was in turn based on Rogue.
Angband started life as a game called Moria in the 1980s in a programming language called VMS Pascal, later made the transition to C, as UMoria, and eventually become Angband in the early 1990s. To be honest, it’s amazing that it’s still going, and part of that is because there is an active and vibrant community of players and an always-changing set of active variants, or modified versions, many of which play very differently to Angband.
Angband itself is currently maintained by a rather loose-knit development team, who follow on from a long line of maintainers, hackers and other coders. Its code is available either under the GPLv2 or the now-archaic Angband licence, which was written before the idea of open source had gained much currency.
Angband is a reference to Morgoth’s “prison of iron” in the world of Middle-Earth, created by J.R.R. Tolkien.