For a fast-paced game, you want a "Low Poly" model to ensure the game runs smoothly. For a high-end render, "High Poly" is better for detail.
Unlike simpler formats, .fbx files can store complex skeletal rigs and pre-made animations. sonic.fbx download gamejolt
It works seamlessly with major engines like Unity and Unreal Engine. For a fast-paced game, you want a "Low