What do Persona 6, Kingdom Hearts IV, an unannounced Avengers game, and a Shrek title have in common? As of this week, they all appear on Exophase — an achievement tracking website that absolutely should not have them yet.
Steam suffered what looks like a significant data exposure, with private achievement lists for dozens of announced and completely unannounced games becoming accessible through the platform’s API. The lists were automatically scanned by Exophase before the information could be locked back down, producing one of the more chaotic gaming news mornings in recent memory.
How It Happened
Exophase tracks achievements across all major gaming platforms including Steam, PlayStation, and Xbox. Its systems automatically scan for new additions to Steam’s achievement database. Normally, games keep their achievement lists private until they are ready — but something changed on Valve’s end.
“Seems like a possible screw up on Valve’s end,” the Exophase owner, x3sphere, said. “A bunch of games with achievements that should be private are accessible through the API right now, and that’s why they got scanned into the site.”
The result was a torrent of games appearing on Exophase that had no business being there yet. Some were known upcoming titles with confirmation but no release dates. Others were completely unannounced — games that exist internally at their studios but have never been publicly mentioned.
The Biggest Confirmed Games
Persona 6 is the standout entry, partly because it has no announced release window and Atlus has not shown a single second of gameplay. The achievement list that appeared on Exophase is reportedly rife with story spoilers. Anyone who cares about going in fresh should stay well away from it.
Kingdom Hearts IV achievements are listed as well, with reports suggesting they hint at unannounced worlds. Gears of War: E-Day, the prequel project announced at Xbox’s showcase, has its achievements visible. So do Judas — Ken Levine’s long-anticipated follow-up to BioShock — and Persona 4 Revival, the rumoured PS5 version of Atlus’s beloved RPG.
Other major confirmed games in the leak include: Dragon Ball Xenoverse 3, Ace Combat 8: Wings of Theve, Control Resonant, Professor Layton and the New World of Steam, Deus Ex Remastered, Final Fantasy Resonance, Tomb Raider: Legacy of Atlantis, Metro 2039, Silent Hill: Townfall, Minecraft Dungeons 2, and Lords of the Fallen II.
Worth noting: Achievement lists do not confirm release dates, platform exclusivity, or that a project will ship at all. Several games have had Steam achievement pages appear and then been cancelled.
The Completely Unannounced Titles
The more striking category is the fully unannounced games — projects that have never been officially acknowledged in any form. These include what appears to be a new Avengers game, a Balatro sequel or spin-off, a Sea of Thieves sequel or spin-off, a Twin Peaks licensed game, a Nickelodeon life-sim, an unannounced Sonic game, a Slime Rancher game, and — in what is genuinely the most unexpected entry — a Shrek game.
An unannounced Walking Dead collection and a new Warhammer title also appear. The list continues to grow as more people scan through the Exophase data, and it is likely not complete.
What Achievement Leaks Actually Mean
The presence of Steam achievements does not guarantee anything beyond the fact that someone, somewhere, created a Steam app entry for the game at some point. That is a meaningful data point — it suggests active development or at minimum a commercial intention — but it does not confirm a release date, platforms, or even that the project will ship.
Studios cancel games after Steam pages exist. They rename titles. They fold projects into other games. The achievement list for Persona 6 almost certainly reflects a real, actively developing game; the walking dead collection might be an archival curiosity. The two are not equivalents, and the leak mixes them without distinction.
What is clear is that Valve’s API exposed data it was not meant to expose, Exophase scanned it before anything could be pulled, and the internet now has a very long list of things to speculate about for the foreseeable future. Valve has not commented publicly as of publication.
