Super Mario Bros 4 Super Mario World Prototype Edition v 5.0 - Mario + Luigi is a ROM hack for the Super Nintendo Entertainment System, potentially incorporating elements from both Super Mario Bros. 4 and Super Mario World. The project's development history belongs to the ROM hacking community, where creators experiment with game modifications.  Its gameplay could blend mechanics from both titles and might feature new levels, characters, items, or revised gameplay systems. The original games, Super Mario World and Super Mario Bros. 4, were developed by Nintendo.

Super Mario Bros 4 Super Mario World Prototype Edition v 5.0 - Mario + Luigi

Super Mario All-Stars Enhanced