Originally Posted by Vic47

Also, for the coding - GHQ has it's time-bount Sunday Rotation. If you've already coded the time based prize rotation, why can't you code time or some other condition based win chance rotation?

Exactly. Just because it's not published doesn't mean it's not there. It also doesn't have to be in two hour intervals. There's most definitely something in the background that takes 'base' rates and multiplies them against some external factor.