As is known to all, all the time, the most popular RPG game production tool must have been none other than RPG Maker. But from now it needs to try its best to keep its job. Because it has had a brand-new and foolproof game engine that can produce both 2D and 3D RPG games with ease as its strong competitor - SMILE GAME BUILDER, which is currently the only 3D RPG game making software as I know (without regard to using the general 3D game development engines, such as Unity, Unreal Engine, etc.).