Archer Defense is a hyper-casual, vertical action game built in just 48 hours for Meta Horizon Worlds’ portrait mode. With custom systems, mobile-first controls and clean, readable visuals, it demonstrates how quickly we can prototype polished, native-feeling mobile gameplay on Horizon Worlds. Winner of the Horizon Worlds category at the Global SensAI Hackademy League of Champions in Barcelona, it highlights our team’s speed, creativity and technical execution under tight constraints.