Radical Movement of Social Democratic Alliance (RIKSSY) (Greek: Ριζοσπαστική Κίνηση Σοσιαλδημοκρατικής Συμμαχίας ΡΙΚΣΣΥ (a play on words with the homophone ρήξη rupture)) is a political party in Greece established in December 2012. It was formed by Andreas Loverdos a former minister of the PASOK.