Kame no Ongaeshi: Urashima Densetsu

Kame no Ongaeshi: Urashima Densetsu is a 1988 video game published by Hudson Soft for the Nintendo Entertainment System. The game was released in Japan on August 26, 1988, and saw a North American release sometime in April 1990. The game was never released in Europe and the game is not playable on PAL consoles.

The story takes place in the post-apocalyptic year of 2777, after Earth has been devastated by nuclear war and natural disasters, with the island nation of Xexyz now being threatened by alien robots.

The Japanese Famicom version is based on the tales of Urashima Tarō, features cutscenes throughout the game, a choice of three endings and has minor graphical differences in some of the NPCs.