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Wow, thanks for all the informative responses, definitely opened my eyes up to more of the differences between sandbox and theme park.
I guess, I'm gonna try and hit the nail on the head now with my question:
Is there any aspects/rules that define a sandbox that a theme-park is incapable/not allowed at having? Vice versa?
Mend and Defend
Try this sticked thread above: http://www.mmorpg.com/discussion2.cfm/thread/317478/Sandbox-vs-Themepark-Discussion-Thread.html
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