Watch the latest Plan B: Terraform trailer for the sci-fi planetary base-building sim game to see what to expect with the Worlds of Fire and Water DLC, along with the free update 1.1. The Worlds of Fire and Water DLC features Fire World, with constant volcano eruptions, mineral-rich basalt, geysers and condensators. It also features Water World, with a few tiny islands a world covered in water, along with polluted water and filters. The free update 1.1 features a tech tree, ugrades, dynamic ice cap, shade and mirror satellites, ice comets, sea plants and plankton, water farm, small ship, airship, GHG neutralization factory, drone extractor, and floating extractor. The Worlds of Fire and Water DLC and the free update 1.1 for Plan B: Terraform will be available on Steam on September 23, 2026.Terraform a lifeless rock into a lush and habitable world in Plan B: Terraform. Build trucks, trains, and sprawling factories on an enormous hexagonal planet. Grow its population to millions. Enjoy a dynamic simulation of atmosphere, temperature, water, and forests.