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R.O.B. (also called Robot in Japan and the abbreviation for Robotic Operating Buddy) is a playable character in the fighting video game, M.U.G.E.N Trilogy. He was confirmed along with the other playable characters who appear in Super Smash Bros. Brawl on March 20, 2015.


R.O.B. was originally advertised as a toy in order to get toy stores to alleviate retail fears following the North American video game crash of 1983. R.O.B. was compatible with two games, Gyromite and Stack-Up, although the player did not necessarily need R.O.B. to play the games. Despite this, he still remained a key figure in Nintendo's attempt to keep the video game industry alive.

Although R.O.B.'s time in the spotlight was brief, he nevertheless established a legacy. He was named the fifth in GameSpy's "25 Smartest Moments in Gaming" because of his impact in reviving the video game industry and helping Nintendo establish a major presence in the American video game market. Conversely, ScrewAttack called R.O.B. the fifth worst game peripheral ever, citing that he only moved up, down and side to side, was noisy and slow, was nearly impossible to put together by oneself and specifically noted the lack of games that could be played with him.

How to Unlock

Use R.O.B.'s Super Smash Bros. amiibo or scan R.O.B.'s AR Icon from the M.U.G.E.N Trilogy website.

Assist Attacks

Set Name Cross-Over
α Arm Rotor Diffusion Beam
β Gyro Super Diffusion Beam
γ Robo Beam Guided Robo Beam