It's obrigatory to use this texture pack: www.minecraftforum.net/topic/787848-32x32-147-the-end-is-extremely-nighvanilla-over-250000-downloadsfeatured-on-curse-newly-updated-for-147/
or
This texture Pack: (changes mobs are less scary): rapidshare.com/files/3771615531/End%20of%20Apocalypse!.rar

And for use textures you need MC Patcher or Optifine HD

History:
The world is being destroyed, polluted and infected by the generators of the epidemic, and most of the world is being destroyed and it'll fix all of the generators that you find! After you kill the Boss!

Important to map:
This map has only half the story the rest of the story will be in the next map in this adventure RPG. This map has 5 missions and 3 generators and boss, also has 4 sets: Batsman, Military, Shadow and Necromancer! This map has only 2 sets: Batsman and Military and the next will have the sets: Shadow and Necromancer! The next boss will also more and different kind of boss and still new generators!