While constructing them naturally is the standard way, you can instantly spawn a structure around a selected object: create_megastructure [structure_id] .
Many of the mod's late-game features are tied to the Galactic Core. You can force these states via the console: event giga_mega.402 . stellaris gigastructural engineering console commands link
The mod introduces unique resources like and Quasaric Energy . You can use event codes to grant yourself massive amounts instantly: Gain 1 Million of All Mod Resources: event grc_everything.1 Sentient Metal: event sentient_metal.1 Quasaric Energy: event quasaric_energy.1 Negative Mass: event negative_mass.1 4. Unlocking Ascension Perks While constructing them naturally is the standard way,
To use any of these commands, you must be in a game. The mod introduces unique resources like and Quasaric Energy
activate_ascension_perk ap_vast_expanses . General Utility Cheats for Gigastructures
Some structures require specific perks like or "Vast Expanses" . Unlock a Perk: activate_ascension_perk [perk_id] .
Since these projects are massive, standard Stellaris cheats are often necessary to keep up with the scale. Console commands - Stellaris Wiki