If you upgraded your iPhone 3G to the latest iOS 4.1, you may have noticed that Game Center wasn’t included. This is because the iPhone 3G’s performance (CPU) is not as good as the iPhone 3GS, iPhone 4, iPod Touch 4 and the iPod Touch 3G.

Now there is a new hack out in Cydia that changes the .plist, allowing you to enable Game Center for all your games supported by Game Center on the iPhone 3G! You will have to SSH the modified .ipa into your iPhone, but as far as I know, the user behind this has not released the modified .ipa yet. We will keep you updated!

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Below is a video demonstration of the new iOS 4.1 Game Center running on iPhone 3G, alongside iPhone 4 and iPhone 3GS.