I just confused on how layers work, do they still stop a player if the terrain is higher than the player, or does the terrain not stop the player?

Oh, these layers. This is the trickiest part about Terrain, but it means you want the layer to go really below, normally below, in the middle (default), normally above a terrain, and above all terrains. Let’s just say you’re building a fishing game. You want to have water, but in the middle layer,…