Being stuck on the toilet for four to six hours is a great excuse to play lots of video games. I think this is actually better than no time limit, because during colonoscopy prep they want you to drink so much water. But as I played, I realized it was really an ideal colonoscopy prep game. MinitMinit is one of my longtime favorites, but it has only occurred to me recently that it might be useful during colonoscopy prep. It is not a fun time at all, but like many other bad times in life, it is much more bearable with video games.