Game Description: King Neptune's Adventure (Unlicensed) is an underwater platformer where players control King Neptune, the ruler of the seas, as he embarks on a quest to save his kingdom from an evil force. The game features side-scrolling gameplay, with players navigating through underwater levels filled with enemies, obstacles, and hazards. King Neptune uses various powers and weapons, such as tridents and magical abilities, to defeat enemies and solve puzzles. The game focuses on exploration, with hidden areas and items that can aid in progressing through the levels.