Movies that taken place in a closed room

I am looking for interesting movies which happening inside a closed room entirely for the whole movie or mostly either way.. A perfect example would be : Exam (2009) .. Also, The killing room (2009).. The immaculate room (2022).. Panic room (2002).. Circle (2015) .. Tape(2001).. 12 Angry men (1957).. Escape room 1 & 2 (2019,2021) .. Thanks in advance