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Epic’s AI-Coded Launcher Enters Preview, Gets Roasted for Bugs

Key takeaways

  • Epic Games announced a "vibe-coded" launcher rewrite using AI that it claims is faster than Steam, entering preview testing this week.
  • Early testers reported bugs including DirectX 12 crashes and launcher slowness that contradicts Epic's performance marketing.
  • Community response focused on concerns about storing payment data on software developed with AI-assisted coding, dubbing it "vibeslopped."
  • Epic CEO Tim Sweeney confirmed company-wide "AI acceleration" strategy while Fortnite launches on Linux via Valve's Proton technology.

Epic Games announced this week that its long-awaited Epic Games Launcher overhaul will enter preview, featuring what the company describes as a “vibe-coded” rebuild designed to address eight years of incremental updates to a platform that, by the company’s own admission, has lagged behind Steam in both functionality and user appeal.

Epic’s New Launcher Gets “Vibe-Coded”

What “Vibe-Coded” Actually Means

Epic’s public messaging positioned artificial intelligence as central to the development process. “Programming is hard,” the company wrote. “So, instead of doing that, we vibe coded a new Epic Games Launcher that’s way faster and more responsive than the current one, and has a new look.” The term, borrowed from internet slang about stylistic coherence, became Epic’s shorthand for using AI-assisted code generation and architectural decisions to replace traditional development methods.

A Complete Technical Rebuild

Martin Keely, the Epic Games Store’s general manager, told IGN that the new launcher represents a fundamental departure from its predecessor. “It’s been rebuilt entirely from the ground up,” he said. “So this is a completely new tech stack, a complete new rewrite of both the shell, which has the download manager, library, and the app itself, as well as the new store architecture. So features like discover and product detail pages, those have all been rewritten.” The scope of the rewrite extended from interface layers down to backend commerce systems.

Initial Scope and Features

The initial preview deliberately limited its feature set. Epic characterized the new launcher as “a speedboat and not a yacht,” signaling that core functionality would arrive first and additional capabilities would follow in subsequent updates. The new storefront includes a shopping cart and other elements described as “advanced digital commerce technology,” though the company’s messaging suggested broader features would expand over time.

Epic's AI-Coded Launcher Enters Preview, Gets Roasted for Bugs

Performance Claims and the Steam Comparison

Epic did not position the rewrite as an internal improvement alone. The company directly marketed the launcher against Steam, posting on X that it had “vibe coded the Epic Games Launcher to be faster than the other guy” and accompanying the claim with performance benchmarks on certain responsiveness metrics. The comparison was calculated and deliberate: Steam, not a generic storefront, became the explicit competitive target in Epic’s promotional materials.

However, early user experience reports suggested the benchmarks did not translate to real-world performance.

The Community Responds: “Vibeslopped”

Mocking the AI-First Approach

The announcement ignited criticism that extended beyond typical platform rivalry. Users and streamers objected to the term “vibe-coded” itself, which became distilled into “vibeslopped”—a critical descriptor suggesting style without substance or poorly executed development. One VR modder responded on X: “This launcher is so fucking vibeslopped its funny, but holy crap, these people are hilarious.” A Twitch streamer was more direct: “Are you seriously incapable of embarrassment? I’m not leaving Steam for this trash.”

Trust and Payment Security

The backlash extended beyond mockery into practical concerns about account safety. Multiple users expressed reluctance to maintain linked payment methods on an account tied to software developed via the AI-first approach Epic was now highlighting in marketing materials. “I would strongly advise removing all payment methods linked to your EGS account if you use one,” one user wrote. “Them publicly announcing the new update was Vibe coded does not give me confidence to keep my card linked with it.”

Early Testing Reveals Bugs and Slowness

DirectX 12 Triggers UEFN Launch

Reports from preview testers documented problems that contradicted Epic’s technical claims. One user reported that switching Fortnite from Performance mode to DirectX 12 triggered UEFN (Unreal Engine’s native editor) to launch unexpectedly, indicating incomplete integration or unfinished code paths. The bug suggested the launcher and game integration had not reached the level of polish expected for public testing.

Launcher Slowness Contradicts Speed Claims

The same early tester noted that the launcher itself performed slowly despite Epic’s emphasis on speed improvements. “Even outside of that bug I posted earlier it’s crazy to brag about speed and this is the experience, like this is very slow,” the user wrote. The contradiction between marketed performance gains and actual user experience formed a credibility gap that extended beyond typical beta instability.

Epic’s official disclaimers acknowledged the preview status, stating that “with any beta there could be issues” while promising that launcher problems would not affect game performance for titles developed using traditional methods rather than the new AI-first pipeline.

Fortnite on Linux, Built on Valve’s Proton

While promoting its new launcher, Epic also announced that Fortnite would come to Linux through Proton, the compatibility layer developed by Valve. The announcement created an obvious contradiction: Epic spent the week criticizing Steam and positioning its launcher as superior to Valve’s competitor, while simultaneously relying on Valve-created technology to expand its reach into a new platform segment. “Bold of them to shit on Valve/Steam, and then literally use Proton internally for Windows compat on Linux,” one modder wrote in response.

AI Acceleration Becomes Company-Wide Strategy

CEO Tim Sweeney contextualized the launcher changes within broader corporate strategy announced this week. Epic is “retool[ing] for maximum AI acceleration,” with the goal of enabling teams to “build MORE and BETTER stuff” rather than maintaining current output with fewer staff. The company had also recently mandated that internal game development teams adopt an “AI first” approach, incorporating generative AI into artwork pipelines and other creative processes across Unreal Engine development.

The launcher remains in preview testing. Whether Sweeney’s broader vision for AI-accelerated development will resolve the credibility gap between marketing claims and user experience is unproven. The community’s skepticism about storing payment information on a platform developed through the new AI-first approach appears deep enough that meaningful bug fixes and performance improvements alone may not suffice to rebuild trust.

Source: Epic Games, via Kotaku

Frequently Asked Questions

What does "vibe-coded" mean?

Epic Games used AI-assisted code generation and architectural decisions to develop the new launcher, rather than traditional programming methods. The company described it publicly as "vibe coded," a term borrowed from internet slang.

How does the new launcher compare to Steam in performance?

Epic claimed the launcher is faster than Steam on certain responsiveness benchmarks, but early testers reported the launcher runs slowly despite these claims, creating a credibility gap between marketing and actual user experience.

Why did the community react negatively to the announcement?

Users expressed concerns about storing payment information on software developed via AI-first methods, mockingly calling it "vibeslopped." Some also reported bugs like DirectX 12 crashes and questioned whether Epic could be taken seriously.

Written by
Sam Nakamura

Sam Nakamura covers gaming culture, esports, and the indie scene. With a background in competitive gaming and a deep love for JRPGs and retro consoles, Sam brings a player-first perspective to every story. If it involves a great narrative or a tournament worth watching, Sam has already written about it.