Unfinished Builds of 2XKO, Killing Floor 3, and PLAYERUNKNOWN Prologue Leak Online in Major Data Breach

A wave of unfinished builds from multiple unreleased video games has surfaced online, raising concerns among studios and fans alike. As reported by Insider Gaming, these early builds include Riot Games' 2XKO (formerly known as Project L), Killing Floor 3, and PLAYERUNKNOWN Prologue: Go Wayback. The files are reportedly being shared within a private datamining Discord server, where members are using them to extract early game data.

The leak also includes early builds of Embark Studios' ARC Raiders and Delta Force: Hawk Ops, compounding what is becoming one of the most high-profile series of leaks this year.

These types of leaks—especially of builds that are incomplete or in very early alpha stages—can be damaging to studios. As with any project still in development, unfinished versions may not reflect the intended gameplay, visuals, or technical polish, potentially skewing public perception if they are seen outside the intended context. The danger lies in early community backlash that could preemptively sour opinions before the final product is revealed.

While this leak is notable, it does not rival the scale of the catastrophic Insomniac Games breach that occurred in late 2023. That incident included vast details about Marvel’s Spider-Man 2 for PC, the PlayStation 5 Pro’s AI-powered Spectral Super Resolution tech, and a very early build of Marvel’s Wolverine. The leak was so severe that users managed to develop an unofficial PC port of Spider-Man 2—well ahead of its official release window in 2024.

The Impact of Leaked Early Builds

The unauthorized distribution of unfinished content continues to be a major issue for game developers. In the case of 2XKO, Riot’s highly anticipated entry into the fighting game genre, these leaks may undercut their carefully planned rollout strategy. With Killing Floor 3 also on the list—a franchise known for its cult following—Tripwire Interactive may face increased pressure to adjust its reveal roadmap.

As for PLAYERUNKNOWN Prologue: Go Wayback, it marks an important milestone in Brendan "PLAYERUNKNOWN" Greene's return, focusing on large-scale simulation environments. The leaked build may disrupt narrative and gameplay surprises meant for a controlled release.

Given the nature of leaks and the growing ease of sharing data across private and public servers, developers must now contend not just with technical development but also with increasingly aggressive data mining and insider access breaches.

As of now, there is no official comment from the developers involved. However, we expect stronger security protocols and potentially accelerated PR or trailer rollouts to regain narrative control.

What are your thoughts on these leaks? Do you think they harm the final game or build more hype? Let’s talk about it in the comments below!