https://www.cnet.com/news/super-smash-bros-ultimate-reviews-are-in-heres-what-you-need-to-know/

"For now, SSBU plays like a well-balanced game with new elements to keep it fresh and interesting for a long time," he said. "The meta game could develop to a point where one character is broken and overpowered, but until then, SSBU has a great shot at bringing Smash players from across the fandom together."

Gamespot's review Edmond Tran's review-in-progress gave Smash Bros. a 9/10.