Phantom Blade Zero has blown past expectations, selling more than 4 million copies in its first 72 hours and claiming the title of Steam's biggest launch of the year so far, Eurogamer reports.

Developer S-Game announced the milestone through the game's official X account, pairing the news with a celebratory post. For a debut title from a studio shipping its first major release, the numbers put Phantom Blade Zero in rare company — launch weeks of this scale are usually reserved for established franchises with decades of brand equity.

The result extends a now-unmistakable trend: Chinese-developed action titles breaking out globally on PC. Black Myth: Wukong proved the ceiling existed; Phantom Blade Zero suggests it wasn't a one-off. Steam's worldwide reach, combined with an enormous domestic Chinese player base, gives these releases a launch runway Western publishers have taken notice of.

S-Game hasn't detailed platform splits or post-launch content plans alongside the announcement, but with momentum like this, the game's first-month trajectory will be one of the year's most watched sales stories.