SPRU is a gamified mobile application designed to encourage people to actively contribute to greener and more biodiverse urban environments. Working alongside a network of seed vending machines, the app allows users to purchase curated seed mixes, earn points through planting activities and educational challenges, and track their positive environmental impact. Users can monitor statistics such as seeds planted, pollinators supported, and estimated CO₂ absorption, while redeeming earned points for additional seed packs or sustainable rewards. By combining technology, education, and gamification, SPRU. makes environmental action simple, engaging, and accessible, encouraging small everyday actions that collectively create healthier, more vibrant cities.