Background :

From http://code.google.com/p/cocos2d-iphone/issues/detail?id=173

Scenes/Nodes doesn't support the CocosNodeOpacity protocol.

From http://playsnackgames.com/blog/2011/09/cocos2d-tutorial-creating-a-reusable-pause-layer/

Cocos2d offers a simple method to pause and resume itself, but these methods stop the CCDirector (the class that manages most aspects of a Cocos2d’s app lifetime) from running actions and lower the fps to 5 to conserve battery life.

Related issues

• http://www.cocos2d-iphone.org/forum/topic/4368
• http://www.cocos2d-iphone.org/forum/topic/151
• http://stackoverflow.com/questions/5852354/cocos2d-engine-pause-resume
• http://stackoverflow.com/questions/11878450/how-to-pause-a-layer-in-cocos2d-2-0

Question :

Is there any Good Cocos2d Pause Menu Library solving these tricky issues?

This will save many hours of Game Developer's life.