Heres my mesh in blender:

Here it is looking good in the editor:

But in the game the shadows look chunky:

Whats going on? and how can I make the game look like the editor?

  • It looks like some of the surface normals might be inverted. In blender viewport header there should be a drop-down menu for overlays, towards the bottom half you should find a section for normals, toggle them on and see if any of the lines drawn as viewport overlay are pointing inside the mesh.

It looks like some of the surface normals might be inverted. In blender viewport header there should be a drop-down menu for overlays, towards the bottom half you should find a section for normals, toggle them on and see if any of the lines drawn as viewport overlay are pointing inside the mesh.