It is also important to introduce plants and animals stabilize the T-Score. To de-terraform a planet, use your tools to bring the red dot away from the center of the bullseye. Terraforming (Terra being the Latin word for Earth, therefore meaning Earth-forming) is a process in Spore, in the Space Stage.ost planets put out a certain color of spice. Place efficient cities to get the most spice from a world. Note that one can purchase single-use tools that can be placed on a planet to reduce the occurrence of biological disasters, as well as to protect abducted species.