Crossover game with 2 companies

Ever thought what happen if 2 famous RPG video games made a crossover: Atlus and Square Enix?
Using The attacks and spells from both Kingdom Hearts and Shin megami tensei series
Along with the gameplay of kingdom hearts BBS
With the summoning graphics from Persona 4
Plus an guest appearance from both companies characters
I think that be awesome

 

Moved to Gaming.

Also, I can't really see KH and persona blending together too well. :/

I mean, if it works to a similar fashion as a Brawl type game, it's possible.

However, both the stories and the gameplay of the two are drastically different.
Not to mention SMT is far more graphic in the themes they deal with than KH (at least imo).

 

actually, like making a new game i meant to say

 

Making an entirely new game with characters who have already been established in their respective series is quite difficult, as fans will be complaining about something or other.

I can see where you'd hope the idea might go, but it's far easier said than done.

 

Of course with new characters and new story...just some people like Final Fantasy and SMT make guest appearances and/or becomes allies?