This cool mod called Mutated Mobs will be put into your mincraft a huge number of new mobs, ie mutated creatures that will be really formidable opponents, when you meet on the way during your survival.
How to install Mutated Mobs Mod
- Download and install Minecraft Forge
- Download mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods