The adventurE Development and Gaming Engine (Edge) is an utility to play and create adventures. Different types of adventures are available. For example text adventure, classic point'n'click adventure or some new, 3D adventre.
VTSystem is a 3D (Action) Adventure engine where each character can go about his(her) own affairs independent of your actions, where you can experience 'real world' environments! Uses the Nebula Device. For more information, take a look at the homepage