Nintendo 64 game Freak Boy (Unknown) (Proto) is a game developed for the Nintendo 64 console by Japanese developer Prodam. The game was never officially released, but a prototype version of the game was leaked to the public in 2017. The game is a side-scrolling action-adventure game, where the player takes control of a young boy named Freak Boy, who is on a quest to save his kidnapped friends from the evil forces of the game's antagonist, Dr. Chaos. The game features a variety of levels, enemies, and bosses, as well as various power-ups and weapons. The game also features a two-player cooperative mode, allowing players to team up to take on the game's challenges. The Japanese title of the game is フリークボーイ（アンノウン）（プロト）. Despite never being officially released, Freak Boy (Unknown) (Proto) is a highly sought-after game among Nintendo 64 fans, and is a great example of the creative and innovative games that were being developed for the console in its heyday.