What is the best framework to make 2d games on iphone [duplicate]

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physics library for iphone programming

I want to start making physics based 2d games like tiny wings or iS开发者_开发技巧tunt.

I know cocos2d is an option, but is that the best option for these types of games.

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Cocos2d.

The documentation for cocos2d-iphone is very well documented and described then others.and used by most of very famous iPhone/iPad games,

they have full working example of games, which you could download and test.

But still you could have look into others.

Open Source 2D iPhone and iPad Game Framework