: Humans have complex sensory and control capabilities. Only a few are used in standard games and virtual environments. Examples of games using interfaces beyond mouse, keyboard and screen show the effectiveness of these interfaces in their context. To enhance the experience in games, to generate more immersive VEs, to facilitate new interaction paradigms, and, ultimately, to increase the fun factor, it is worth expanding the current view on interaction techniques and devices and considering the full human potential for display and control options. 1 The Human Perspective Current games and virtual environments commonly only use the visual, and sometimes also the audio and the haptic channel, to display information and thus provide us with sensory experiences. Control is achieved with hands and arms – as used in the handling of mouse and keyboard – and sometimes by voice. VEs additionally allow to move physically and to use interaction techniques based on head-tracking, hand-trackin...