For extreme structures (Birch World, Systemscale Complex):
To instantly spawn a structure, select the star or planet it should orbit and use the following syntax create_megastructure [structure_id] create_megastructure matrioshka_brain_0 Technology & Research To unlock mod-specific techs, use the research_technology command followed by the tech ID research_technology tech_giga_engineering (Unlocks basic gigastructures). Instant Research research_all_technologies stellaris gigastructural engineering console commands
Useful if a mod says "Planet has too many resources to convert." ⚠️ Important Troubleshooting Select the Target: commands require you to have the planet or star selected in the game UI before hitting Enter. Menu Access: For extreme structures (Birch World