Warbler said:
Ghostbusters said:
You could make a movie about a bunch of people in a room and depending on how you write direct and film it it could potentially be a very interesting and entertaining film.
that was done, and it is a very interesting and entertaining film.
also CUBE
http://www.imdb.com/title/tt0123755/
7 complete strangers of widely varying personality characteristics are involuntarily placed in an endless kafkaesque maze containing deadly traps.
- while it wasn't all set in the same room, it was all shot in the same room.