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Hi.
I'm here to help the people who can't play Metro 2033 on Intel Integrated Graphics. When you run the game you are not able to play it. It gives you an error about the Vendor ID being not supported. Here's the fix. (Do it at your own risk, but since the game already doesn't run, you have nothing to lose.)
1- Download 3D Analyzer (http://www.filefront.com/7661160/3danalyzer-v234.zip/) and install it.
2- Open 3D Analyzer and press on "Select"
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3- Navigate to your Metro 2033 Folder, and select the game executable.
(http://i53.tinypic.com/317jgqs.png)
4- Then below the blue image with text on it (in 3D Analyzer) fill in the VendorID and DeviceID with any of the ones on the right.
5- Optional : Choose any of the settings that you might need ( you should know about those ).
6- Optional : Press on "Save Batch File!" and save it with the name of your choosing in the game folder. (This step allows you to quickly open the batch file, so you don't have to open 3D Analyzer every time you want to play the game)
(http://i56.tinypic.com/30ivsea.png)
(http://i55.tinypic.com/34zc6sz.png)
7- Play.
NOTE: I am not promising you to have a high amount of FPS and very good gameplay... infact, the game might have some bad amount of FPS. But hey... better than nothing.
Also, sometimes when you open the batch file the game shows you "Executable has stopped working". Just close the game and open it again.