MoveHandler.dll - Required by some very specific add-ons, do not use unless told to. OpenAL32.dll - Can be used to overwrite Blockland's default OpenAL32.dll, adding stereo sound capability. Make sure to set it as read-only after overwriting. PlayerCollisionToggle.dll - Allows the toggling of player <-> player collision. SelectiveGhosting.dll - Required by Zeblote's Environment Zones add-on.