I've confusion with this sentence. "I do think, It will be among the best tutorial system at any time posted below " 0 this is simply not the challenge OP was struggling with as well as your trouble is Using the makefile specific to get a challenge you have worked. https://stack-ball-3d-gameplay83602.blogminds.com/the-best-side-of-best-stack-ball-free-game-33456587