Killer Instinct

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The legendary fighting franchise is back with over-the-top action, a wild cast of combatants, rocking reactive music, and C-C-C-COMBO BREAKERS!!! Choose your ultimate combatants each with fluid animations, unique combat tactics, and enthralling special attacks. Use the open-ended combo system to rack up huge combos as your opponent looks for openings to break you and turn the tides of battle. Go online and compete against players from all over the world, or master your combat skills with in-depth tutorials and intelligent AI combatants.

Developer: Iron Galaxy Studios
Publisher: Xbox Game Studios
Released: 27 Sept 2017
Price: Free to play
Platforms
Followers: 29,124
Steam Deck: Verified
Languages: English +7
Controller: Full
Age rating: T

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Public builds

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No reading yet

Counted once we have watched for 90 days (since 21 Oct 2026)

Last 90 days · as of 28 Oct, 06:13 UTC

How this is measured

Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.

Checked within minutes of each Steam change. Observed since 21 Oct 2026.

We see a game's builds only from the day we started watching it. Before that we know just the build it was on, so counts over a window are shown only for games watched for the whole window.
A build is not necessarily a content update: developers also ship fixes, and some builds change only files players never see.

Source: Steam client network (PICS), App info, public branch. Full methodology

Latest public build

14 May 2024, 15:04 UTC

Build 14306144

Update posts

0 posts

Posts announcing an update, tagged or not

Last 365 days · as of 20 Oct, 01:09 UTC

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Typical gap between builds

Not enough builds yet

Public Builds

Public builds of Killer Instinct, newest first
Build	Went live	After the one before	Patch notes
14306144	14 May 2024, 15:04 UTC	—	None posted

From Steam’s client network, last checked 28 Oct, 06:13 UTC. Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count

Earlier Updates

Updates to Killer Instinct announced on Steam before 21 Oct 2026, newest first
Posted	After the one before	Update
6 Aug 2023	81 days	Killer Instinct is back with a 10th anniversary update later this year Update
17 May 2023	—	Quality-of-Life May Update Patch notes

Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count

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Build

Went live

After the one before

Patch notes

14306144

14 May 2024, 15:04 UTC

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None posted

Posted

After the one before

Update

6 Aug 2023

81 days

Killer Instinct is back with a 10th anniversary update later this year Update

17 May 2023

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Quality-of-Life May Update Patch notes