 <p>if your using cocos2d-iphone-0.99.5 </p> <p>you have to import "CCParticleSystemPoint.h"</p> <p>and check below linezs also.</p> <p>refer this word"ARCH_OPTIMAL_PARTICLE_SYSTEM " in your cocos2d libraries "ccparticleexamples.h"</p> <p>hope this helps you.</p>