Yūyūki (遊遊記) is a Famicom Disk System video game released exclusively in Japan by Nintendo and Pax Softnica. The game is a command based game similar to Pax Softnica's previous game Shin Onigashima, also for the Famicom Disk System. The game was separated by two disks, which were released within a month of each other. It's an adventure game staring Goku, a monkey king who was destined to travel west. On his adventure, he meets up with multiple different, distinctive characters, none of which are members of the same species. The English translation for the game is Brave Brave Spirit.


The story is takes,once upon a time, a little girl named Chao lived in a small village in China. One night, a meteor fell near Chao's home, which burst open to reveal a monkey inside. Chao named the monkey "Goku," and took care of him for a while. However, Goku is led away and imprisoned by Oshakasama for the various crimes he has committed, and Chao sets off to find the "Gavel of Light" in order to save him. Several years later, the world is put under peril at the hands of the bull-monster Gyumaou, and Goku is called upon to save the world.


The player controls Goku (Sun Wukong) and Chao (an original character) who are travelling separate journeys to meet up with each other. True to the novel, Goku is also accompanying the monk Sanzo (Tripitaka) and his other followers Hakkai (Pigsy) and Gojo (Sandy), though these three characters have been comedically reimagined as lazy and greedy.


Yūyūki has been referenced in several other Nintendo video games. In the Japanese version of Kirby's Dream Land 2, Chao from this game appears and offers Kirby an extra life. The sound test scene in the game also references Yūyūki. Yūyūki is once again referenced in the Kirby series, in the SNES video game Kirby's Dream Land 3, where both Chao and Goku appear. In Daigasso! Band Brothers DX, a theme from the game is played when the player chooses the Synth Bell.

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