PRIME is a dungeon exploration roguelike with focus on wealth of interactions between game objects, humor and science fiction theme. The gameplay most resembles NetHack. Its approach of including everything and the kitchen sink is also visible. You can fight off an away team of redshirts with a bat'leth while being clad in stormtrooper armor.
Prime saved games are stored in /home/rogue/.config/prime/*.sav
To enable ASCII mode, press F3 m p
You can find more information about Prime at http://pesky-reticulans.org/