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Don't add unlicensed or fan-made games to series templates.
 * Exception: Ports licensed by the original creator of the game but not licensed by the console manufacturer; specifically:
 * Tengen's unlicensed NES games for Atari, Namco, and Sega; though they are not licensed by Nintendo, they are licensed by Atari, Namco, and Sega, and thus qualify
 * Accolade/Ballistic's unlicensed Genesis ports of computer games and the first Double Dragon title, for the same reason