If you go into Dai-1-wa, Dai-2-wa, or Dai-3-wa with a complete inventory (using a hacked save or Dai-4-wa save file), you can explore the overworld past the normal week boundaries. The problem is, the areas were only really changed from A Link to the Past as they were needed, resulting in a glitched overworld somewhere between A Link to the Past and Sekiban.

The Hyrule soldier sprite data is gone, but their properties remain, so they appear as glitched enemies. All Dark World warps are missing, while trying to use a water warp will crash the game and entering a cave or other indoor location will likewise cause strange glitches.