343 Industries, commonly shortened to 343i, or just 343, is an American video game developer located in Kirkland, Washington. It was established in 2007 by Microsoft Game Studios to oversee development of the Halo science fiction media franchise, which includes video games, novels, comics, and other multimedia content. Its name derives from 343 Guilty Spark, a character within the Halo universe.

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Halo: The Master Chief Collection

Halo: The Master Chief Collection

First Person Shooter

For the first time ever, the series that changed console gaming forever comes to PC with six blockbuster games in one epic experience, delivered over...

Halo Wars 2

Halo Wars 2

Real Time Strategy

Real-time strategy makes an explosive return to the Halo universe in Halo Wars 2. Lead Spartans, Warthogs and other classic Halo fighting forces in a...

Halo Infinite

Halo Infinite

First Person Shooter

The Master Chief returns in Halo Infinite – the next chapter of the legendary franchise beginning holiday 2020! Developed by 343 Industries for the...

Halo 4

Halo 4

First Person Shooter

The Master Chief returns to battle an ancient evil bent on vengeance and annihilation. Shipwrecked on a mysterious world, faced with new enemies and deadly...

Halo 5 : Guardians

Halo 5 : Guardians

First Person Shooter

Halo 5: Guardians is a video game first person shooter published by Microsoft Studios and developed by 343 Industries on Xbox One. This is the ninth installment...