Maguire's Apocalypse is designed for Minecraft 1.7.10.
It is available on the Technic Launcher. The current release of the Pack o' Fun is version 1.2.0, released on Tuesday, July 11, 2017.

Custom Sphax Patches
Sphax PureBDcraft Modded Textures for Maguire's Apocalypse - November 16, 2015 for Maguire's Apocalypse 1.1.3+

Basic Prerequisites (Exceeding These Is Fine)
Technic Launcher
Java Development Kit 8 x64

If you wish to play around with the apocalypse.zip file, here is the direct download link.