The phrase "to do a sequel" means to create or make a second part or continuation of something, usually a book, movie, or video game, that follows the original story or concept. Full definition
Would be surprised if they didn't do sequels for 15 before going to 16. (novacrystallis.com)
It isn't the first time the company have confirmed that they are interested in doing a sequel, but thus far nothing concrete has been announced. (wolfsgamingblog.com)
Does the sequel live up to the high expectations? (darkstation.com)