Abaci, T.de Bondeli, R.Ciger, J.Clavien, M.Erol, F.Gutierrez, M.Noverraz, S.Renault, O.Vexo, F.Thalmann, D.2007-01-162007-01-16200310.1109/CYBER.2003.1253442https://infoscience.epfl.ch/handle/20.500.14299/239193WOS:000189235000018This paper presents an evaluation of the benefits and user acceptance of a multimodal interface in which the user interacts with a game-like interactive virtual reality application "The Enigma of the Sphinx". The interface consists of a large projection screen as the main display, a "magic wand", a stereo sound system and the user's voice for "casting spells". We present our conclusions concerning "friendliness" and sense of presence, based on observations of more than 150 users in a public eventgraphical user interfacesvirtual realitytext::conference output::conference proceedings::conference paper