Onefog Xonix - Version 1.7 Onefog Xonix is original realization of a well-known arcade QIX.It is played in arena, in which Enemy-balls bounce around. The Player controls a ball, which may move both around of sides of this arena and inside it, leaving a trace behind. When the Player's ball reaches edge of arena, area inside a rectangular, which does not contain Enemy-balls, is filled in.If any Enemy-balls hits the player or player's trail, the player loses a life.