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My Civ4 mod (a directed research with Peter Brinson) appeared at a conference "Games for Change" and a workshop "Logic and the Simulation of Interaction and Reasoning." Thank you, Tracy, for inviting me to demo at Games for Change. It's refreshing to meet fellow humanitarian developers!
About the mod: The original Civilization IV rewards imperialism through scoring the glory of the empire. I reprogrammed the game to score the health and happiness of the citizens. By adapting John Broome's extended quality-adjusted life years (QALYs), and responding to Derek Parfit's repugnant conclusions, I designed an ethical calculus that rewards restraint, diplomacy and art in Civilization IV. See the presentation and play the mod.