ReACT has a "storyline" in arcade mose, which, apparently, is almost incomprehensible, like all good arcade storys.
I think the actual story mode stays the same though.
Tsukihime drinking game. 1. Every time a word or a phrase is repeated 3 or more times, take a drink (eg. This chair).
2. Every time Shiki claims not to understand something already explained, take a drink
3. Every time Shiki doesn't realize someone is hitting on him, take a drink.
4. Every time someone who should be dead, isn't, take a drink.
5. Every time Shiki does something ridiculous with points\lines.