Stardust Legacy: Galactic Echoes

In the year 3721 of the Galaxy Era, the territory of the Human Federation has expanded to the edge of the Orion Spiral Arm. The cold universe is like a piece of silk stained by ink. Hundreds of billions of stars are burning silently in it, and the fire of civilization is flickering among the stars. Humanity has broken free from the shackles of its home star by relying on the curvature engine, but in the boundless sea of ​​stars, it increasingly feels its own insignificance and loneliness. No one knows that on the dark side of the galaxy, a civilizational game spanning billions is quietly beginning with a lost exploration ship.