Sumotori Dreams was originally made for a "96k Game" competition at the German computer festival Break Point.
Hidden Text#
Found at 0x29C20 (Demo) / 0x2CD40 (Full Version):
debug
Found at 0x32060 (Demo) / 0x36070 (Full Version):
Extended Module: rob me if you can �FastTracker v2.00
Found at 0x4E8A0 (Demo) / 0x4F466 (Full Version):
File created by GoldWave. GoldWave copyright (C) Chris Craig
Oddities#

Opening the base levels within the level editor reveals that the levels were created with character skins that aren't allowed outside of the editor.
Anti-Piracy#
In the System Settings screen, there is a text box saying:
Visit http://www.gravitysensation.com/sumotori/ to get a license.
Type the license key below:
When ignoring it, it will seem normal at first, but 7 seconds later when playing, this message will appear: