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Best practice for hidden polygons on 3d model in game?

I’m working on some higher poly cliffs and rocks that will have the bottom hidden in game by the ground at their base. What can I do with the hidden base of the 3d model?

  1. Delete the base polygons and have it open at the base?

  2. Merge base into one big n-gon?

  3. Reduce poly count at base but still have a bit more polys?

What are your thoughts on this? Any help would be greatly appreciated. :slight_smile:

Delete polygons like that, if a polygon is not visible and it won’t affect lighting then delete it.

Ah thanks. Good to know.

Ah thanks. Good to know.