I installed GeForce 310.54 Beta Drivers from NVIDIA recommended for Assassin's creed 3 recently
the 3d affect is only happening during the cut scenes and or tutorial not all the time, and you can skip those cut scenes, a on screen xbox button controller display button of what button to press to skip them is in the bottom right corner!..
I'm using the Xbox 360 controller for windows and it's a steam game PC digital copy
here's the in game screen shot from my photobucket account Link
I probably have enough memory to turn on better features!..
there was game lag during the cut scenes and tutorial when vertical sync was set to use the 3d application settings I've sense turned vertical sync on in my NVIDIA control panel,
I set texture filtering quality to performance in my NVIDIA control panel
Should I use directx 9 instead?, some of my other games use directx 9