It adds hundreds of hours of gameplay, new endings, multiple planets, and much longer progression chains that really push your ability to optimize to the limit.
If the base game isn’t enough to keep you interested anymore because it’s gotten too simple, space exploration is a good hand grenade to mix things up.
The negative thing about SE is also that it adds hundreds of hours of gameplay. I’m 200 hours in and I’ve barely made it to other planets. The 2 hours a day I have to play with it are simply not enough.
