I'm using Met-Edit to make a hack of Metroid. I just started, and have only done a little with Brinstar. A few examples of the evilness: no Long Beam or Varia, all enemies are the hard versions, no Tourian without killing the minibosses, and fake-out Chozo statues. However, there are unexplained glitches. The Morph Ball isn't where I put it (switched with the first Missile). Also, there is an odd scroll glitch in the room after the shaft to Kraid.
http://www.angelfire.com/realm2/miscellany/Meh-troid.nes
http://www.angelfire.com/realm2/miscellany/Meh-troid.nes
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