Content creator, Mikey-Mike, otherwise known as Metroid Mike 64, has recently announced on Twitter that his seven year project titled, Super Mario Bros. 5, which began life in 2015 with the release of the original Super Mario Maker, is now complete and ready to play in Super Mario Maker 2 on the Nintendo Switch family of systems. Metroid Mike 64 said on Twitter that his personal project Super Mario Bros. 5 features 40 full courses spread across 8 Worlds. These contain 24 courses built from Super Mario World, 14 from Super Mario Bros 3 and 2 courses from Super Mario Bros. He went on to say that there are no courses from the later New Super Mario Bros U or Super Mario 3D World. You can read his Twitter thread here for all the details or just go into Super Mario Maker 2 and enter the course code 0G9-XN4-FNF.