: It includes a mouse delay fix, frames-per-second (FPS) boosts, and HUD (Heads-Up Display) editors for tracking keystrokes and potion effects.
: You can "put together" multiple bat mods by copying the text from several files and pasting them into one single "MergedMods.txt" file. 3. Animal/Companion Mods
: To use these, you place the .txt file in your game's main installation folder (where the .exe is located).
There are several specific mods that add or change bats as creatures: Minecraft Origins Mod - The Bat Origin!