Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download 3D Scifi Kit Vol 1 Free.
3D Scifi Kit Vol 1 v1.2
With 3D Scifi Kit Vol 1, you will able to create nice scifi levels for your games!
NEW VOLUME 3 RELEASED! TAKE A LOOK
You need a level for a spaceship interior scene ? a moon base interior ? You can use it for topdown or FPS projects.
The kit is a large set of meshes pre-configured prefabs (with lights / sounds / particles etc) you will find 165 meshes, and a set of more than 170 prefabs.
The kit has been optimized for tablets and mobiles (look the youtube video on Xperia Tablet Z), but you can use it with pc and mac.
TAKE A LOOK ON THE VOLUME 2
The atlased textures (11 Diffuse textures) are optimized and provided in 4096/4096 (do not forget to resize them for mobiles and tablets) to keep a very good quality on pc and mac. The flat textures are provided to help you to make your own.
This version is a full PBR Unity 5 version, diffuse, normal, ao, illum, flat, and metal maps are provided.
Creating rooms and corridors with the kit is very easy! The example map has been made only with the kit prefabs, no lightning added, except the directional light.
The example map is provided with the pack.