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KE: In Communications of the ACM, Vol 45 No 1 January, 2002 - Copyright (C) 2001 ACM Please visit http://www.tinmith.net for more information The aim of the ARQuake project was to construct a first-person-perspective game with the following attributes: . The game is played in the physical world, with the user able to freely move about the world. . The view is determined solely by the orientation and position of the users head. . The game is experienced as augmented reality using a transparent HMD. . The game is controlled using easy to understand real-life props and metaphors. We wanted to build a system that allowed the user to play the game in a natural way. The user can see the game monsters at their virtual locations, and use real-life props such as a plastic gun with simulated recoil to shoot at the monsters. Our experience with test subjects has shown they find the game very natural, since the haptic feedback gun operates in a way people are us
Piekarski et al. (Tue,) studied this question.