The front page of the Unity Asset Store is fascinating to look at. Scrolling through, I see 3D interior and exteriors for futuristic buildings, a race-track generator, tools for fog and lava, footstep ...

The best places to get free game assets 01. Unity AssetStore Unity remains the most popular individual game engine, and the Unity Asset Store has a large selection of free game assets.

That "Unity look" is the result of so many new developers using the same Unity Engine default materials, assets, lighting effects, and shaders in their games.