Forums  /  Super Mario series  /  Super Mario Bros.: The Lost Levels  /  Loopys rom hack usable?
  KingOf_JonnyBoyKingOf_JonnyBoy

Uh, I just found this run: https://www.speedrun.com/run/y8q8d6wy
using Loopy's rom hack. I thought Loopy's hack wasn't allowed since it is a rom hack for smb1.