steam update來了，進入遊戲後會自動更新，主要改善n卡效率問題及些許tressfx效率，另外修正不少問題
http://www.computerandvideogames.co...ia-performance/
http://www.joystiq.com/2013/03/11/t...-nvidia-issues/


·Addressed some stability and startup issues on machines that have both Intel and NVIDIA graphics hardware.

·Fix for players being unable to progress related to the boat in the beach area.

·Some fixes for crashes on startup and when selecting Options.

·Some small improvements to TressFX hair rendering.

·Fixes for various graphics glitches, including certain effects not being visible in fullscreen mode.

·Fixed a problem that caused some users to not be able to use exclusive fullscreen.

·Added support for separate mouse/gamepad inversion for aiming, as well as support for x-axis inversion.

·Fixes related to the benchmark scene and benchmark mode.

·Various other small fixes.