The Adventures of Dewey the Dolphin (cancelled arcade/Genesis/NES game; 1991)

The Adventures of Dewey the Dolphin
Screenshot of the title screen.
Screenshot of the title screen.
Status Lost
Screenshot showing Dewey meeting Neptune in a presumed cutscene.

The Adventures of Dewey the Dolphin, also simply known as Dewey the Dolphin, is an unreleased video game for the Nintendo Entertainment System that was originally meant to come out in 1991. It would have been published by Ocean, programmed by Allan Shortt, and would have had graphics designed by John Palmer. It was originally meant to be an arcade game, but due to budget reasons, was switched to be a Sega Genesis/Megadrive title, and finally a NES game. Ultimately, while Palmer was quite passionate about the project, the game was cancelled supposedly due to it looking too similar to Ecco the Dolphin on Genesis.[1][2][3]

The game was announced in issue #13 of Electronic Gaming Monthly magazine with the following blurb: "Swim through the depths of the ocean watching out for all of the hungry fish who are looking for a tasy morsel for dinner. Meet up with Neptune, the Ocean God."[4]

No prototype has been made available, and apart from two screenshots, little other information on the game is known.


  1. Forums discussing Dewey the Dolphin
  2. Unseen 64 article
  3. NintendoAge article
  4. LostLevels article




8 months ago
Score 0++
Since the game was supposed to be published by Ocean, it probably would have had an awesome soundtrack. Too bad the game didn't come out.
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