fuck dude, you give me a blank check, I write the amount in, and then you pile a bunch of fucking money on top of that, I'd be spinning that yarn as long as I possibly could.
At this rate, he'd have to make the game to end all games to win. Something like, Starbound, EVE Online, Freelancer, and Call of Duty to realize what he's pitched. I can't even fucking fathom what that game would play like, how many loading screens would be required to transition between all of those ideas.