As a longtime Xbox follower, I remember the wild rumors leading up to E3 2018. A leaker named Klobrille, who had accurately predicted Microsoft's E3 2016 lineup, dropped a bombshell list of upcoming games. Now, in 2026, I'm looking back to see which of those leaks actually materialized.

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Back then, Klobrille's claims were completely unverified, but his track record gave them weight. He said Fable 4 was in development at a UK studio under the codename "Wisdom." He claimed Forza Horizon 4 would be set in Japan. He hinted that Halo 6 would have a "really high player count," sparking battle royale speculation. He also mentioned a new Perfect Dark with a third-person perspective, Crackdown 3's 4-player co-op, a new MechWarrior, and Age of Empires 4 for PC. Let's see how these predictions held up.

The Big Three: Fable, Forza, and Halo

Fable 4 – Klobrille was partially right. In 2020, Microsoft announced a new Fable game developed by Playground Games, a UK studio. The codename "Wisdom" was never confirmed, but the UK studio part matched. As of 2026, the game has been in development for years, with rumors of a 2025 or 2026 release. So the leak was directionally accurate, even if details were fuzzy.

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Forza Horizon 4 – This one was a miss. Forza Horizon 4 launched in 2018 and was set in the United Kingdom, not Japan. The series later went to Mexico with Forza Horizon 5 in 2021. Japan remains a fan-favorite request, but Klobrille's claim didn't pan out.

Halo 6 – Klobrille said it would have a "really high player count," which some took as a sign of a battle royale mode. Halo Infinite (the actual Halo 6) launched in 2021 with 24-player Big Team Battle, not a battle royale. The player count wasn't dramatically higher than previous games. So this leak was vague and ultimately not very accurate.

The Other Claims: Hits and Misses

Klobrille also made several other surprising claims. Here's how they fared:

Leak Reality by 2026 Verdict
New Perfect Dark (third-person) Announced in 2020 by The Initiative, but it's a first-person shooter, not third-person. The Coalition was not involved. ❌ Wrong studio and perspective
Crackdown 3 4-player co-op Crackdown 3 released in 2019 with 4-player co-op in campaign. ✅ Accurate
New MechWarrior game MechWarrior 5: Mercenaries released in 2019. ✅ Accurate
Age of Empires 4 for PC Age of Empires 4 released in 2021 for PC. ✅ Accurate

🤔 What does this tell us? Klobrille clearly had some insider information, but not everything was spot-on. The Fable leak was close but not exact. The Forza Horizon 4 location was flat-out wrong. The Perfect Dark details were way off. However, the smaller announcements like Crackdown 3 co-op, MechWarrior, and Age of Empires 4 were correct. This mixed record is typical for leaks – some details get twisted or change during development.

The Battle Royale Speculation

One of the most interesting parts of Klobrille's leak was the Halo 6 player count comment. In 2018, battle royale was exploding thanks to PUBG and Fortnite. Many fans hoped Halo would jump on the bandwagon. But Halo Infinite didn't launch with a battle royale mode (though Forge mode allowed creative custom games). By 2026, battle royale is still huge, but Halo has stuck to its arena roots. So the speculation was fun but ultimately unfounded.

📊 Leak Accuracy Summary

  • ✅ Correct: Crackdown 3 co-op, MechWarrior, Age of Empires 4

  • ⚠️ Partially correct: Fable 4 (UK studio, but details unconfirmed)

  • ❌ Incorrect: Forza Horizon 4 in Japan, Perfect Dark third-person, Halo 6 high player count (as battle royale)

Final Thoughts

As I look back from 2026, Klobrille's leaks were a fascinating mix of truth and fiction. He clearly had some sources, but the game industry moves fast, and plans change. The Fable revival did happen, but not exactly as described. Forza Horizon 4 went to the UK, not Japan. Perfect Dark returned, but as a first-person game from a different studio. And Halo Infinite didn't become a battle royale. This reminds me that leaks should always be taken with a grain of salt – even from a leaker with a good track record. In the end, the only way to know for sure is to wait for official announcements. And in 2026, we're still waiting for some of those games to fully materialize. 🎮