Name: Way Back
AU/AT FF7 (and many of its offshoots)
Cloud wakes up in a mako tank with memories of his life up to shortly after Dirge of Cerberus. He helps Zack to escape and wakes up Vincent in the process. He and Zack hide in a Nibel wolf den while waiting for Vincent to catch up with weapons and supplies.
Cloud can't move his body well as a result of the mako poisoning and is hearing whispers from the Planet. He replies in Old Nibel (think Old Norse).
They make their way toward Midgar and have the canon showdown with the ShinRa regular army, except (obviously) things are a bit different this time. Cloud may not be great with a gun, but he is good enough to snipe in support of Zack with Vincent. Zack survives. *cheers* The Turks pick up the group and take them to Midgar. They hide in the slums while Cloud recovers and Vincent works with the Turks to take down Hojo (the Turks down like that he treats them as glorified gofers {for those few who don't understand the gofer reference; a gofer is an errand runner. The boss will say "Go here for this" and "Go there for that", thus the shorthand slang 'gofer.'})
When Aeris is kidnapped (not by the Turks), Zack and Cloud are asked by the Turks to help Vincent get her out. They rescue Red XIII (Nanaki) and canon events happen.
This will follow the basic skeleton of the canon plot, but everything will have a new twist or go in a different direction because 1. Zack lives! 2. Vincent is there WAY earlier. 3. Cloud remembers things and can communicate with the Planet (only occasionally is this communication more than vague whispers and feelings). 4. The Turks are being helpful. 5. Cloud doesn't have an identity crisis.
Fun things could come of this.