Dhruin
SasqWatch
CVG has a quick look at Deep Shadows' FPG/RPG, White Gold:
More information.It's quite similar to Boiling Point and dipping into the inventory shows that Deep Shadows are simply broadening the scope, including things such as addiction to the FPS staple of painkillers, as well as alcohol (which has the expected effect: overdose on the 70% proof and the character sways and stumbles around). They're also adding a reward system - perks - so on top of levelling up your gun aim and running speed, you'll get, for example, 25% at animal skinning.
For the time being, I haven't been told how it all affects the game or story: Boiling Point's freeform nature meant it was a game of sundry delights, and while White Gold has 60 main missions, there are an additional 250 to just grab on the go.