One of Shigeru Miyamoto’s strangest projects remains his only game that has never officially been released in North America.
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Super Mario Creator Shigeru Miyamoto's First Console Game Was a Satanic Version of Pac-Man (www.denofgeek.com)

Battling the devil using Bibles and crosses sounds the opposite of satanic to me
Takashi Tezuka designed this game he is a Christian who plays Dungeons and Dragons.
Very strange. Almost like they saw the true nature of reality and wanted to get a game over here that showed the real fight. Of course, that wouldn’t fit into the agenda of the enemy, so it was canned. Also Rob, the guy you mentioned was at the core of it. Good catch.