I am playin on: ASUS N55SF Intel® Core™ i5 2410M 2.3GHz 4GB DDR3 1333MHz SDRAM NVIDIA® GeForce® GT 555M 2GB DDR3 VRAM And I play on low-normal settings with 20-30 fps, I am little bit dissapointed because of performance with this graphics, but what can I do? Do you think that upgrading to 8GB RAM will help me?