http://bugs.winehq.org/show_bug.cgi?id=18128
--- Comment #6 from Franciszek Janowski nobange@poczta.onet.pl 2010-04-14 12:25:53 --- It happens in specific places on the map. Also in multiplayer, but in this mode the game is still playable, because you don't fall down endless, just a little and you can jump out of the "hole".