Reintroduced 2 old buildings.

Solar Fields and Teleporter Gate

Added 1 new building.

Deep Drills

Reintroduced 1 old tech.

Portal Building (Unlocks Teleporter Gate)

Added 2 new techs.

High Efficiency Photovoltaic (Unlocks Solar Fields) and Advanced Drilling Mechanics (Unlocks Deep Drills) (These are hydroponics equivalent for energy generation and mineral mining.)

Added 2 new resources.

Starcore and Illunia. (Currently no way to obtain them)