Titans Pack contain 2 high poly 3D models of planets, 4 meteors and 5 terrains.
As BONUS content, you get 1 8K Texture (Color map, Normal Map) and 8 8K Galaxy (Nebula) JPEG files.
Terrain 3D models are scalable models and you can scale them and stretch as long as you like and they wont lose quality.
Titans pack comes with 4 formats that you can download and those are: C4D, OBJ, FBX, 3DS.
Planets are extreme high poly 3D models with more then
1 500 000 polygons so that you can sculpt with maximum quality. Reason for that is aplied subdivision tag which you can delete if you want best performance during editing on low-end pc's.

FULL presentation video of Titans Pack you can find on Youtube channel Goran Cibej.