United Front Games' action title Sleeping Dogs is getting help in the combat department from MMA champion Georges St-Pierre aka GSP. The video below depicts exactly how he's involved, and it's an interesting watch to say the least.
Whereas most of these videos feel contrived, and stars are often only involved for PR purposes, you'll notice a real sense of camraderie between him and the developers, here, and also see hard results from his collaboration. Some of the developers are also fighters themselves, so Sleeping Dogs is in a unique spot, indeed.
The game launches next month; pre-order and you get GSP's shorts in-game. Hah.