This Hack Needs a Name (yes, this is the actual title) is a SMW ROM hack by yeahman initially released in 2014, then updated in 2023. In this hack, Mario and Luigi find themselves in a strange new world where someone needs their help.
Suru486, using warps, completes the hack in record time.
PHOTOSENSITIVITY WARNING: The final boss fight (starting at 12:51) features flashing lights, which may cause epileptic seizures to those affected.