Red Faction: Guerrilla isn't anything at all like its prequels. Yeah, it's got a load of nods in the game to its history. Yes, it's still set on Mars and about a rebellion of miners. And yes, destruction still plays a key part of the game. It's moved from a first-person shooter to a third-person open-world action game, and is easy to see as a more serious sci-fi sister game to Volition's hilarious and playful Saints Row 2.
And while destruction is key, it's no longer about the the "you can dig a big hole!", instead concentrating on actually taking apart buildings. It's a total betrayal! A total betrayal which was probably a good thing. Red Faction is much more interesting as a Mercenaries-inspired blow-everything-up game, with revolutionary flourishes.