Mighty Action X is a fictional video game featured in the Japanese television series Kamen Rider Ex-Aid, which premiered in 2016. It is closely associated with protagonist Emu Hojo and his transformation into Kamen Rider Ex-Aid through the Mighty Action X Gashat. The game-themed announcement reflects the series’ combination of superhero action and arcade imagery. Online, the clip remains popular in transformation edits, fan videos, gaming montages, and nostalgic posts celebrating Ex-Aid’s distinctive visual and musical style.