SolarFall Games today announced that its hack n slash CryEngine 3 action RPG, Umbra, will support Kythera, a new AI platform. According to the development team, everything in Umbra will be dynamic, including the AI. Characters can react to blocked routes if the player destroys a bridge or doorway, as well as finding new ways across moving objects or around cleared debris. Umbra is said to put the player in a post-apocalyptic fantasy universe, with features including: