Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download SCI-FI Tower Defense Pack 2 Free.
SCI-FI Tower Defense Pack 2 v1.0
Art pack for creation of Tower Defense, RTS, TBS, MOBA levels.
5 Bonus Turrets
83 environment objects
8 terrain textures
Tower Defense Pack 1 Tanks, turrets and props textures are 4k.
Albedo, normal, ambient occlusion, emission, smoothness, metalness. Terrain textures are 512 – 1K
Pro version needed only to make post effects and shadows in demo scenes working.
Mobile Friendly. Email me if you want a demo.