King Neptune's Adventure is an unlicensed adventure game

Adventure game

An adventure game is a video game in which the player assumes the role of protagonist in an interactive story driven by exploration and puzzle-solving instead of physical challenge. The genre's focus on story allows it to draw heavily from other narrative-based media such as literature and film,...

 created for the Nintendo Entertainment System

Nintendo Entertainment System

The Nintendo Entertainment System is an 8-bit video game console that was released by Nintendo in North America during 1985, in Europe during 1986 and Australia in 1987...

 by Color Dreams

Color Dreams

Color Dreams was a company that developed video games for the 8-bit Nintendo Entertainment System . While most companies that developed NES games obtained an official license from Nintendo to produce game cartridges, Color Dreams was unusual in that it developed NES games without an official license...

. You play as Neptune

Neptune (mythology)

Neptune was the god of water and the sea in Roman mythology and religion. He is analogous with, but not identical to, the Greek god Poseidon. In the Greek-influenced tradition, Neptune was the brother of Jupiter and Pluto, each of them presiding over one of the three realms of the universe,...

, as you venture though ships, oceans and Atlantis

Atlantis

Atlantis is a legendary island first mentioned in Plato's dialogues Timaeus and Critias, written about 360 BC....

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Gameplay

Eight of King Neptune's treasures have been stolen over the years, including his most powerful one, the magical Orb of Peace. Those under the sea are worried, as peace is at risk. You as King Neptune must return the Orb of Peace to King Neptune’s caste and restore peace to his oceanic kingdom. King Neptune is armed with bouncing lightshots, as well as bubble bombs. You collect health, and bombs by destroying enemies. The 8 treasure can be recovered by beating bosses or with the help of the dolphins.

Other versions

There is a French

French language

French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...

 translated version of King Neptune's Adventure. Few games made by Color Dreams

Color Dreams

Color Dreams was a company that developed video games for the 8-bit Nintendo Entertainment System . While most companies that developed NES games obtained an official license from Nintendo to produce game cartridges, Color Dreams was unusual in that it developed NES games without an official license...

 other than this one made it to Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

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