Ten years after the release of Killer Instinct, the new version called Killer Instinct: Anniversary Edition is announced.

This week marks the 10th anniversary of the release of Killer Instinct on Xbox One, and to celebrate this milestone, a new edition has been announced called Killer Instinct: Anniversary Edition. A release date has not yet been announced.
The Anniversary Edition will be a free upgrade for owners of Killer Instinct: Definitive Edition and will add support for Xbox Series X|S. The Definitive Edition will also be retired with this update. The Anniversary Edition includes all 29 fighters with additional premium content, such as the VIP Double XP Booster, special holiday accessories, and more.
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For those not eligible for the free upgrade, the Anniversary Edition will be available for $29.99. It is important to note that the Anniversary Edition will not include certain content, such as the 'Definitive Edition App' and Xbox KI Classic 1 & 2. However, this content will remain available to download separately for Definitive Edition owners.
In this context, the team is announcing the removal of the ability to purchase individual fighters and various editions. Again, don't worry about any losses if you have already purchased something, as it will remain in your library.
The Definitive Edition is currently on sale for $13 USD (or equivalent in your region), and will unlock the Anniversary Edition when it launches. The new free version of Killer Instinct will include the base game and a free weekly rotating fighter, along with single-player, local, and ranked play modes. This free version will also be accessible on Steam.
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Finally, Iron Galaxy has released the patch notes for Version 3.10. This is a massive balance update that prioritizes issues that the team thought would have the biggest impact. You can check out the detailed patch notes on the Ultra-Combo website. While many characters have received updates, there are 10 characters that have not received balance adjustments. There are also some additional updates, such as a new logo and several UI changes.

Information source: purexbox.com
