 Liz Braun of the "Toronto Sun" said Jack's narration made the Room scenes "joyful" as well as claustrophobic, and that Larson and Tremblay's performances are "completely engaging".Linda Barnard of the "Toronto Star" called "Room" "equally tender and chilling", In Ireland, Donald Clarke of "The Irish Times" gave the film five stars, calling it "harrowing", and concluded, "We are left with a film that manages a degree of optimism in the most unpromising circumstances.It is a substantial achievement."