Check out "Hunted: One Step too Far". He scripted story events in Game Guru, recorded them and then used the footage in-game. Its very seamless that way.
Quote: "Oh then fpsc is better then gg."
Blunt statement. If you can look past the monumental instability, the cap and the myriad of other quirks it had you might come to that conclusion.
(it really isn't. I used it for years, trust me, I know)