Both have sound and animated scrollbar.
Official Version on Naver (Not sure who translated it):
http://comic.naver.com/webtoon/detail.nhn?titleId=350217&no=31&weekday=tue
ThCmpny (TheCompany)'s translation (javascript to append translation on korean version):
http://www.thcmpny.com/2830/2011-mystery-one-shot/
There probably are other translations around the net.
The quality of the translations are equaly good from what I remember.
Hope this helps. Happy screaming .
It's nice to see this has been translated in polish. Sadly it seems there isn't javascript and sound.
Edited by ChibiKall, 03 July 2012 - 01:05 AM.