Cloud of Nibelheim is an Ex-SOLDIER 1st Class, now a mercenary willing to do any dirty job, if the price is right. Goaded on by his childhood friend he ends up joining an eco-terrorist organization called Avalanche, who are fighting for the very life of the planet. As they fight the monolithic mega-corporation known as Shinra Inc., Cloud's past and Avalanche's struggles intertwine, and the reluctant mercenary finds motivation to fight to save the planet from a different threat and settle the score with a menace from the past in the process.

The guide offers the following:

• A full walkthrough of the main game.
• Sidequests and optional dungeons are fully covered.
• Mini-games and challenges such as Chocobo breeding and racing, the Battle Arena and Fort Condor missions are explained in detail.
• Strategies for defeating the game's optional super-bosses.
• The location of every piece of Materia, ultimate weapon, ultimate Limit Break and Enemy Skill.