Stealth action game Underworld Ascendant from Otherside Entertainment release on November 15th on Steam. The game comes via the creative minds behind the acclaimed Ultima Underworld, System Shock and Thief series. In Underworld Ascendant, Paul Neurath and Warren Spector’s OtherSide Entertainment challenges you to think creatively in an interactive sandbox environment. Enter The Stygian Abyss, a dangerous, highly interactive dungeon world. Mix and match dozens of combat, stealth and magic skills to develop your own unique style of play.