This is a paid asset, but now you can download Low Poly Space World Pack for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
For more detail this asset from the Unity Asset Store: Click Here
Low Poly Space World Pack v1.0
“If possible, please buy the package to support the developer”
Space Pack. Low-poly collection.
All characters have 1 basic animation “Idle”
Optimized for mobile devices. Low poly models and low resolution textures.
Models in pack:
01. Alien (3 types)
02. Spaceman (4 poses)
03. Robot (2 poses)
04. Android
05. Live plants (3 types)
06. Monsters (3 types)
07. Alien King
08. Tentacles
09. UFO
10. Spaceship
11. Shuttle
12. Rocket
13. Planet
14. Alien egg
15. Box
16. Camera
17. Dynamite
18. Fireworks
19. Grenade
20. Houses (3 types)
All models preview on Sketchfab WEB demo Behance