Movies where there's a group gathered (or could be an individual) for some reason and they have have to figure something out or whatever. Other criteria: Has to be something I want to be on the list. Love recommendations if you have a sec!
Exam, 2009 (8/10)
Circle, 2015 (8/10)
The Invitation, 2015 (6/10)
Carnage, 2011 (7/10)
12 Angry Men, 1957 (8/10)
Fermat's Room, 2007 (not seen yet)
Identity, 2003 (not seen yet)
Coherence, 2013 (7/10)
Pressure, 2015 (not seen yet)
127 Hours, 2010 (watch a long time ago, but I'd guess 8/10)
Cube, 1997 (not seen yet)
Frozen, 2010 (not seen yet)
Rescue Dawn, 2006 (10/10)
The Ninth Guest, 1934 (8/10)