His first four feature-length fiction films were '' The Guitar Mongoloid '' ( 2004 ) , '' Involuntary '' ( 2008 ) , '' Play '' ( 2011 ) , and '' Force Majeure '' ( 2014 ) . '' The Guitar Mongoloid '' won the FIPRESCI Award at the 27th Moscow International Film Festival . Östlund 's short film '' Incident by a Bank '' won the Golden Bear for Best Short Film at the 60th Berlin International Film Festival . and Grand Prix at Tampere Film Festival in 2011
27th Moscow International Film Festival
27th Moscow International Film Festival
Ruben Östlund