Retro Revengers first launched for Switch under the title Omoshiro Action Ii Otona-tachi no Daibouken on July 28, 2022 in Japan.
Here is an overview of the game, via Shinyuden:
Retro Revengers is a unique-looking adventure platformer game traveling through diverse biomes with different strategies and includes a narrative bursting with references and Easter eggs. With wonderful music composed by Manami Matsumae, who also composed for other video games like Mega Man and Shovel Knight. “Five friends play a mysterious game, only to get isekai’ed into a strange world threatening the existence of not just their games but their world too. Master the characters’ different skill sets and defend their love of retro.”
Far out in the uncharted backwaters of the unfashionable end of Central Japan lies… Ludens Castle. Five friends play a mysterious game, only to get isekai’ed into a strange world threatening the existence of not just their games but their world too. With the help of the Retro Goddess and companions from the past to teach them their newfound powers. Taicho, Ossan, Masao, Matchan, and Notchi, must travel to different areas of this strange world to defeat the Demon Overlord of Triple-A.
Watch a new trailer below. View a set of screenshots at the gallery.