game programming for iphone
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/493324/what-resources-do-you-recommend-for-game-programming-on-the-iphone">What resources do you recommend for game programming on the iPhone?</a>  </p>
</blockquote>



<p>i want to  know how  many engine are available for game programming on iphone using sdk 2.2
for both 2d and 3d??</p>

<p>which one is best?? widely used?? </p>

<p>how should i start??</p>

<p>books and tutorials online??</p>

<p>i am a beginner as  iphone developer</p>
