Steam Spilled the Beans

Overview

Steam-related leaks have raised concerns about how much unreleased—and even long-stored—game information is leaking from Steam’s backend, without Valve publicly addressing the issue.

Main claims and what was leaked

• Achievement list spoilers for upcoming games
  • Over the past month, Steam has reportedly leaked achievement data for unreleased titles, including major story-relevant spoilers.
  • Persona 6 (Atlus): an achievement list allegedly includes 48 achievements with full descriptions in 13 languages, containing major story spoilers.
  • Kingdom Hearts 4: achievement data allegedly reveals every world in the game, potentially undercutting planned marketing reveals.
  • Additional entries reportedly include:
    • Squadron 42 (Star Citizen’s single-player spin-off)
    • Oddly specific items, including rumored remakes/ports and a Twin Peaks entry tied to reaching a diner.

Why this happened (as argued in the video)

• The leaks are traced back to Exophase, an achievement-tracking site that uses Steam’s API.
• Exophase’s creator, Mike Bandel, suggests the issue is likely due to a Valve-side mistake—games with achievements intended to be private appear accessible via the API.
• The host argues this is bigger than normal publisher errors, since the scale and suddenness suggest a systemic Steam/API issue.

Why this matters

• Publishers and marketing plans disrupted: secret or limited achievement details are used intentionally to prevent early exposure of story beats and features.
• Spoilers arrive before marketing can respond: the video emphasizes that this can “interrupt marketing plans” because information is disclosed before studios have time to manage the reveal cycle.
• While spoiler leaks eventually happen via achievement sites in general, the video highlights that this exposure is unusually early, especially for games still years away or not fully revealed.

Second leak: an archive of old Steam-era builds/assets (2003–2013)

Separately, an exposed ~12 TB data archive surfaced via BitTorrent, containing store files/assets and public builds/tests for hundreds of Steam games (2003–2013).

• The archive includes material that may never have reached final release, including:
  • A Portal 2 beta build (with implemented character/turret behavior and music files)
  • Other large franchise collections (e.g., Call of Duty titles)
  • Delisted content (example cited: Legends of Pegasus)
• The video states no major “missing Valve games” were found:
  • Explicitly: no Half-Life 3 and no Episode 3

How the archive leak allegedly occurred

• The host cites Ars Technica: the data appears to have come from Valve’s old Steam management systems (Steam 2-era), later replaced by SteamPipe in 2013.
• The archive is discussed as a “Steam 2 teraleak” (attributed branding by Gabe Follower).
• The video claims no hacking is involved (per Gabe Follower’s framing), suggesting instead that the issue involves publicly accessible endpoints and long-standing hoarded distribution.
• There’s also discussion of internal data-miner conflict/fragmentation:
  • The torrent includes a tease suggesting hoarders may no longer have sole access.

Risks and likely outcomes

• Legal/privacy risk: older archives may include third-party data that Valve was expected to keep secured.
• Piracy/cheating risk likely limited: the leaked material is old and beta/archival in nature.
• Bigger commercial risk: achievement spoilers can impact newer game marketing and secrecy.
• The video notes that nearly two weeks later, there have been:
  • No Valve statement
  • No publisher takedowns or lawsuits reported
  • Only a small dev response: Nightdive acknowledged a leaked game in a jokey way (“Not so secret anymore, is it?” for Thief Remaster’s campaign).

Broader argument: Valve as a single point of failure

The host argues Steam’s dominance makes data security failures potentially industry-wide:

• Many studios rely heavily on Steam revenue (a survey of studio managers is cited).
• Market research (Newzoo) predicts PC will overtake consoles by 2028.
• The implication: if Steam mishandles data once, the consequences could ripple across the entire PC games ecosystem.

Presenters / contributors

• Mike Bandel (Exophase founder/creator)
• Gabe Follower (Valve-related news/content digging into the archive)
• Tyler McVicker (content creator; comments on legal/risks around leaked beta builds)
• Ars Technica (reported technical details)
• Nightdive (dev/company response via joke)
• PC Gamer, PC Games N, This Week in Video Games (outlets that asked Valve about the leaks)