As per http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=235599 this is a known bug, and there seems to be a patch: http://www.ibiblio.org/pub/X11/contrib/games/xboing2.4.patch Reproducible: Always Steps to Reproduce: 1.run xboing on linux-2.6 2.wonder if it's you that's slow or the game that's fast ;-)
Fixed in CVS