mature_galaxy Console Command

The mature_galaxy command in Stellaris is used to immediately simulate a galaxy that is 100 years old.

In depth, here's what happens when you use the command:

• All technology that can be researched within 100 years time period will be automatically researched.
• The development of all planets, their population, constructions, and resources will be as if they had 100 years to grow.
• Empires, alliances, and relationships between different factions will take shape as though the game has been running for a century. These can include rivalries, wars, trade agreements, etc.
• Anomalies, events and crises that could have happened within those 100 years may have occurred or be in progress.

This command can be very helpful depending on your playstyle and objectives. If you're interested in the late game scenarios more than the initial build-up, you can skip the first 100 years to get straight to the action.

It's also useful to get an idea of how well your starting strategy works in the long run, or to simulate different scenarios quickly for testing purposes.