Build massive ocean cities and lead your people to prosperity in this post-apocalyptic survival colony sim. Featuring a physics-based 3D construction system, complex resource management, exploration, difficult political decisions, supply chains, and a robust sandbox mode.

In a dying world overtaken by the endless ocean, your goal is to grow a small settlement into a sprawling vertical city of your dreams.

Master a deep, innovative 3D construction system that uses real-world physics simulation and keep the city thriving as you manage resources, logistics, production chains, societal needs, random events, and world exploration.

Complete 8 handcrafted Scenarios with unique challenges, or create custom adventures using a robust level editor, and share your creations with the world.