The least buggy of the lot.
But it does have annoying bugs. And it may be related to hardware and or software updates. Because I played this game a while back on older hardware, and at some point of the map "Highway to hell" the game would always drop in frames per second to around 1-5fps. Yet whenever I turned around in the opposite direction, the frames went back to normal.
At that point I gave up with this game. Played other games, got newer hardware, came back to this having forgotten about that problem. It still did it, not always.
And that load save bug is terrible here. No its worse.
Every time it would not load checkpoints after the start of said map. Whats worse if did load a certain checkpoint, which is in front of a blown up truck or lorry, one can never go past it as the game keeps an invisible wall in the way which is not supposed to happen. Only getting to this point without loads, does this not happen.
Just another broken game sold best in the "Steam sales".