Basically, zero values can crash it in some places. Otherwise, it should be pretty stable. For example, if all prizeweights are zero, picking up a green will cause a crash (I'm not sure whether client or server though). And if bouncefactor is 0, that'll also be bad. Such things. Oh Oh Oh! Never touch the "Territory" settings. They default to some reward, I think but it's never given as far as I can tell and zeroing it out makes people unable to see what others are typing in the zone.