Sonic X Shadow Generations has sold over 1 million units within its first 24 hours after being launched. Compared to Sonic Frontiers, which sold 2.5 million units within its first month, eventually growing to 3.5 to date. This game gets added to Sega’s list of high selling games in 2024, with games such as:

Persona 3 Reload, which has sold over 22million units since it launched in February this year

Like a Dragon: Infinite Wealth, which has become the most played instalment in the series on Steam (First day of release)

and recently Metaphor: ReFantazio, Which dethroned Persona 3 Reload by also selling 1 million copies in a day.

(Link to the article: https://www.gamedeveloper.com/business/sonic-x-shadow-generations-sells-over-1-million-copies-at-launch)