Now I see. I think. Indeed you don't need fancy undo stuff for that. Just save all choices in a temp. variable, and let the user play around with it. Make sure to reset depending properties when certain choices are changed. Than only after a "Are you sure?" and "Are you really really sure?" you save those temps in the character and let the play begin.

Hope this helps,

Jeroen
"We are not alone"(FZ)