Good movies that (mostly) take place in a single location

I recently caught Phone Booth on TV. Really good film.

What are some one-location-based films that you like? Here are some of mine

-12 Angry Men (1957)
-Die Hard (1988)
-Rear Window (1954)
-Panic Room (2002)
-The Breakfast Club (1985)
-Buried (2010)
-Snowpiercer (2013
-The Raid (2011)
-10 Cloverfield Lane (2016)
-127 hours (2010)
-Locke (2013)
-Ex Machina (2014)
-Dog Day Afternoon (1975)
-John Carpenter's The Thing (1982)
-Reservoir Dogs (1992)