i live in the UK so i've got the UK version. i did think there was something wrong with the introduction as it seems to skip a bit around the decapitation bit. i've heard both that this is just the way the game is, and also that the decapitation occurs onscreen in the USA version.
what i've done is bought another copy from the USA on ebay that is yet to arrive. however i asked the seller about the decapitation and he says it is offscreen on his USA version too.
there's also no official word on the game being censored. neither the official site nor anywhere else has any information on it. all i've read about it has been on forums where someone has said 'i heard the game was censored' so personally i think its just a rumour that got out. maybe it started because they made the game, then had to censor it for release, so perhaps *all* versions are censored, although possibly the USA release is *less* censored than other versions
if anyones still interested i'll report back on specific differences once i have both versions. although i really don't think it will be anything that makes a huge difference to the game.
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iolite portable vaporizer