Piper announces gratis availability of Imagine [Trayvon Martin] (2013) at ART page on E-ArtNow. Publishes updated Philosophy Journal Paper Submission Policies at The Berlin Journal of Philosophy website, deals with fallout. Delivers "Playing by the Rules I: Two- or More-Person Games," at Bard College Berlin. Posts the Mad Dog Referee Reports Anonymous Survey at The Berlin Journal of Philosophy website. Exhibits The Probable Trust Registry and selection of Everything works at Venice Biennale; receives Golden Lion Award for Best Artist. Delivers Commencement Address, "Playing by the Rules II: One-Person Games" at Bard College Berlin, "Zwei Ideale Rationaler Motivation" at University of Potsdam Philosophy Department, and "The Logic of Kant's Categorical 'Imperative'" at the 11th Kant Congress 2015, University of Vienna. Kali dies of liver failure. Creates digital light projection, Self-Portrait with Shiva Ardhanarishvara. Learns Yoga Sutras 11.13-48 by heart.