colony simulation game, RimWorld expansions, sci-fi, advanced base structures, diverse biomes, desert, tundra, jungle, modded content, new factions, mechanoids, genetic engineering, cybernetic enhancements, solar panels, wind turbines, hydroponics, animal husbandry, caravan trading, space travel, orbital colony, detailed textures, dynamic weather, survival challenges, top-down view, strategic lighting, complex ecosystems, interactive gameplay elements, rich storytelling, procedural generation, high replayability, detailed character customization, in-depth resource management, ambient soundtrack, immersive sound effects.