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Steam suffered a major slip-up that leaked achievement information for dozens of unannounced games online. The data was picked up by achievement-tracking services, including SteamDB and Exophase. Among the projects were mysterious games tied to Avengers, Dune, Sonic and Sea of Thieves. The list is much longer and also includes many titles that had not previously been officially announced. Valve has not yet disclosed details about the cause of the issue.
Steam API bug exposed private data
The issue was noticed when sites Exophase and SteamDB started logging achievements tied to many unreleased games. Exophase owner Mike Bendel confirmed on the ResetEra forum that the situation appears to be an error on Valve’s side. According to him, some games with achievements that should have been hidden were temporarily available via the Steam API. As a result, the sites' automated tracking systems were able to scan the data and add it to their databases. It was particularly interesting to see titles that didn't yet have a publicly visible name. In those cases Exophase simply assigned them an AppID number. The leak was not limited to a few random apps, but affected a very large group of projects still before their official reveal. However, the mere existence of achievements does not always mean a game is close to release. Developers can prepare such elements much earlier, before they decide to officially reveal a project. The list includes both games that had already been announced and titles players only learned about because of this situation. Among the known games were Persona 6, Kingdom Hearts IV, Gears of War: E-Day, Judas and Silent Hill: Townfall. Also appearing were Fate/Extra Record, Gundam Rogue Orbit and Stupid Never Dies, all of which have already been officially announced. The Steam API should not be exposing such information before release, so the whole situation looks like a configuration or security error on Valve’s side.
Avengers, Dune and Sonic among the most mysterious projects
The most interest was in listings for games that haven't been officially announced yet. The list included unannounced projects for Avengers, Dune, Sea of Thieves, Sonic and Stellaris. In the case of Avengers an unconfirmed suggestion also appeared that it could be a long-abandoned THQ project being revived. However, that information comes from a leaker and should be treated only as a rumour. The leak also points to unannounced games related to Balatro, Brawl Stars, Candy Crush and Slime Rancher. Players also found entries suggesting a new game set in The Walking Dead universe and a project related to Shrek. The list also included mysterious titles linked to Twin Peaks, Heroes of Newerth and Toem. Among the more concrete names were ACE COMBAT 8, Attack on Titan 3, DRAGON BALL XENOVERSE 3, Deus Ex Remaster and Minecraft Dungeons 2. There was also Persona 4 Revival, Professor Layton and the New World of Steam, Turok Origins and Tropico 7. An interesting case is Squadron 42, whose presence on Steam confirms that the single-player campaign tied to Star Citizen is also coming to that platform. The release of Squadron 42 was recently moved to the second quarter of 2027. Interestingly, GTA 6 did not appear on the revealed list, so the leak itself does not confirm rumours of an earlier PC release for Rockstar's game.
A Steam API bug caused achievements tied to more than 50 unreleased games and projects to be revealed. The biggest stir came from information about unannounced entries in the Avengers, Dune, Sonic, Sea of Thieves and Stellaris franchises. The list also includes many already-known projects, including Persona 6, Kingdom Hearts IV, Gears of War: E-Day and Silent Hill: Townfall. For now it’s unclear how long the data was accessible or whether Valve will take further action after this mishap.
source: wccftech
