URBO is a city-building puzzle game developed by Door 407. It places players on floating islands where they construct towns, progressing from small houses to larger structures. The game features diverse architectural styles and world settings, including futuristic space cities, desert canyons, Mediterranean villages, and fantastical islands. Its gameplay is designed to be meditative, with elegant puzzle solutions and a focus on contemplation rather than strict objectives.The game's core loop involves strategically placing buildings on geometric fields to expand settlements. When an island reaches capacity, new ones appear, enabling continuous city growth. URBO lacks a definitive endpoint, encouraging players to build and expand indefinitely. Its aesthetic is characterized by visual minimalism, relaxing music, and smooth animations, creating a tranquil atmosphere free from conflict or pressure.