Crysis 2 on consoles and PC is a stunning looking game. The game was using DX9 only, but now, thanks for the latest patch, you can play the game on PC using the DX11 tech. Here's the new features the DX11 patch added:  
-Tessellation + Displacement Mapping -High Quality HDR Motion Blur -Realistic Shadows with Variable Penumbra -Sprite Based Bokeh Depth of Field -Parallax Occlusion Mapping -Particles Motion Blur, Shadows and Art Updates -Water Rendering improvements and using Tessellation + Displacement Mapping -Realtime Local Reflections (DX9) -Contact Shadows (DX9) -Improved Tone Mapping (DX9)  
The game looks amazing on DX11, check out the screens below:  
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Thanks Neogaf.