What the deal is:

We give you money to make the game, and you give us a share of its revenue for a limited time and up to a certain amount. We ask for a larger share of the revenue until our money is paid back¬†('recoup') and a small revenue share after that - so we can invest in more games. The terms of our agreement are developer-friendly:

But that's just the stuff in the agreement; on request and depending on the availability of the investors, we can help: