I have seen the threads "make games not engines" that was the reason I used to be maintaining myself faraway from ogre , but i am decided i will make my own sucky game engine , rendering pipeline wiki offers a way to use ogre 3d into game engine ? https://thebookmarkid.com/story20071333/how-much-you-need-to-expect-you-ll-pay-for-a-good-mobile-game-online