原帖在此
http://tieba.baidu.com/p/3594974283?pn=1
解释的较好的其实是@原意无意

但对于原lz基本观点支撑的部分，如下：
偷懒所以直接复制回帖了~
本来就是通用的东西，继续在定义上区分的意义根本就不大，一脑补编辑的脑洞内容没必要当真吧。
而且维基这种网站学术领域都未必总是准确，对于非学术内容这种引用来源基本都是杂志/新闻或者某某某较出名的人写的文的东西，只是一个基本参考而已。
最可笑的是， 中文维基 的开放世界

引用的内容[5]
http://www.gamasutra.com/view/feature/3983/the_history_of_elite_space_the_.php
One recurring theme across this genre is the open-ended "sandbox" style gameplay that is most often associated with the slightly more rigid Grand Theft Auto series (see book Chapter 9, "Grand Theft Auto III(2001): The Consolejacking Life") today; players are mostly free to choose their own way to accumulate capital and judge their own success at the game.
简直是词条编者自己在打自己的脸。