that ones your talking about are client sided... they just change what you see,
ummm, yes it would be possible to i guess, but your'd have ot know everything about how CO is programed, and do it smartly, sending a packet that you've just hit sometihng and it'd given you 100k exp
should have worked out how those eggs worked on the x-mas advent if somehow i knew how to make it so you could change it so you got 10k exp, and not have to have anything would have been uber >_<