Super Mario Bros. 3 - Ridley X Hack 6 is a Super Mario Bros. 3 ROM hack by Ridley X in 2021. It features 5 worlds (plus one secret world) of all-new levels as well as custom graphics. It also has a new item slot feature, where the player can change the power-up on the fly by pressing Select.

LukeManiac completes the five worlds in record time.

PHOTOSENSITIVITY WARNING: There are flashing lights throughout the hack (most notably when Boom Boom is defeated and after the wand is retrieved), which may cause epileptic seizures to those affected.