A megastructure quest across 1 million miles
A ring 600 million miles in circumference, 1 million miles wide, orbiting a sun-like star. The inner surface is habitable — three million times Earth's surface area. Engineering on a scale that defies comprehension.
radius: 1 AU | width: 1.6M kmMountains, oceans, and civilizations built on the inner face of the ring. Shadow squares orbit closer to the star, creating a day-night cycle. The horizon curves upward on all sides — you can see the ring stretching to infinity overhead.
gravity: 0.992g | atmosphere: engineeredThe Pak Protectors — an ancient species who built this world and vanished. Their engineering remains: rim walls 1,000 miles high to hold the atmosphere, a hull of scrith with tensile strength beyond any known material. The quest: to understand what they left behind.
civilization: Type II KardashevYou have arrived. The ring curves away in every direction. The sun hangs at the center, unmoving. Above you, continents arc across the sky. The quest for Ringworld begins here, on the surface of the impossible.
status: LANDED