POWDER is a roguelike game.

"Roguelike" is a term applied to a wide variety of games which
share a common inspiration from the game Rogue. A non-exhaustive
list of such games would be: ADOM, Nethack, Crawl, Diablo (I & II),
Moria, and Angband.

Homepage:
http://www.zincland.com/powder/index.php?pagename=about
