Mine's not really specifics on the type of media, but these're my ideas of 2 more FFVII titles.
"Final Fantasy VII: Era of the Cetra"
Story: Starting just before, and covering the entirety of the initial incident with Jenova & the Cetra 2000 years before FFVII.
• It would provide some solid insight into the powers of the Cetra.
• We would get to witness the complete threat of Jenova when she was at her full power.
• Possibly some subtle little FFX tie-in hints in the background.
• The origins of magic / Materia.
• The origin of, and differences from the White & Black Materia, and other materia.
• More information about WEAPONS, and Minerva.
• Information about the life cycle of Planets, and how it all ties together with Planetary entities from other worlds fighting (Jenova/Minerva)
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"Final Fantasy VII: Final Conflict"
Story: Starting XX number of years after DoC, involving the remaining loose ends left throughout the Compilation so far. Eventually resultuing in finally, definitively ridding Gaia of Jenova's threat.
• Since most of the conflicts aside from this have been resolved,
(the Sephiroth one's questionable), it would be interesting to see it take place a number of years later so that the main characters would have actually settled into their lives a little bit since the end of DoC, and also show how the world's been adapting to a life without Mako.
• Genesis:
- What he was doing under Midgar, and why he declined taking part with anything involving Deepground.
- What his current objectives are after his encounter with Minerva.
- What he's been up to during the amount of time after leaving with Weiss.
- What
• Nanaki:
- What became of Deneh (Before Crisis Ep: 18)
- What he's learned in his travels.
- The status of the Planet's health.
• Vincent:
- His meetings with Nanaki could be used as a good starting point for the game.
- If Chaos was truely destroyed.
- What he's been doing after DoC
• With Vincent / Nanaki / Genesis having a past with ShinRa, some of the old past history of the company could be explored.
• Those three also have a past that is tied closely into the Life of the Planet, and could reveal additional plot elements.
• The W.R.O. would be able to be a large part of the story, as well as the remaining ShinRa benefactors. It would even be interesting to have them as characters, and have ShinRa truely make up for the damage it's done by finally destroying the evil that they brought back upon it.
• Denzel & Marlene could be more grown, and could have some involvement depending on the time that it's set, since they're closely tied in to the original characters.
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