One criticism we have with Flatout 4: Total Insanity is the lack of information regarding how to actually unlock all the available vehicles.
Well, wonder no more as Bigben Games has released a handy five-minute video which tells us the unlock conditions for all the vehicles found across the three classes within the destruction-based racer.
On the fence about buying Flatout 4: Total Insanity? Why not take 10 minutes to read our review. You can see the newly released guide on how to unlock all of the game's vehicles in the video below.