Killer Instinct
Released Sep 2017
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.
86% positive · 5,703 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to get it
Free on Steam
Evaluation
Killer Instinct launched on Steam on September 27, 2017, bringing with it all content from Seasons 1–3, including 29 fighters, 20 stages, and all accompanying modes. The game's full content roster was available at launch on this platform — the Steam release was effectively a complete collection of everything developed during the game's original Xbox/Windows Store run (which concluded with Season 3 in 2016).
The store description highlights a "10 Years of Killer Instinct" anniversary update, which brought matchmaking improvements and balance changes — this is maintenance and quality-of-life work, not new content. The only DLC listed is the Complete Soundtrack, which was released on the same day as the game itself. No unreleased DLC is present in the store.
Developer communications are sparse: the most recent post (May 17, 2023) was a technical maintenance update migrating backend services to PlayFab and fixing a ranked mode bug. There have been no announcements of new fighters, story content, seasons, or expansions. The anniversary framing in the store description — celebrating 10 years — reads as a retrospective milestone rather than a signal of ongoing content development.
With no unreleased DLC, no announced future content, no post-launch content cadence on Steam, and the last developer communication being a maintenance patch on May 17, 2023, the game is best understood as a complete, finished product.
Evidence
Store description presents the game as a complete package with all 29 fighters, modes, and content from Seasons 1–3. The anniversary framing celebrates the franchise's history rather than announcing new content.
The only DLC is the Complete Soundtrack, released on launch day. No unreleased or upcoming DLC is listed.
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Xbox Game Studios
Achievements
463
Platform
Windows
Controller
full support
Steam Deck
Verified
Players
Single-player · Multiplayer · PvP · Local/Split Screen
About this game
Celebrate 10 years of Killer Instinct! The legendary fighting game franchise returns with an all new Anniversary update with improved matchmaking, balance updates, and more!
Experience the thrill of combat with 29 characters, each with their own unique fighting style, combos, and finishers. Whether you're a veteran or a newcomer, you'll find plenty of challenges and rewards in the single-player modes and online multiplayer. Don't miss this opportunity to join the ultimate fight club and prove yourself as the supreme champion of Killer Instinct!
FEATURES:
• Fight for Free! Play various game modes with a free weekly rotating fighter, including online multiplayer. Get the complete collection by Upgrading to the Anniversary Edition to unlock all 29 fighters, retro costumes, premium accessories, and more from Seasons 1-3!
• 20 stages with intense stage destruction
• Competitive online multiplayer matches with state-of-the-art fighting game netcode
• Test your PVP skills online and compete for place in the top 32 in Monthly Ranked Leagues
• Extensive Dojo tutorial teaches all the core mechanics for Killer Instinct and Combo Breaker Training to master the art of breaking!
• Discover the origins and rivalries of your favorite characters in Story Mode
• Save the world in Shadow Lords, a revolutionary re-playable rogue-like Fighter mode! Build a team of fighters, collect powerful helper Guardians, Artifacts and Consumables to gain game changing abilities and buffs needed to stop the invasion of Gargos and his army of Mimics!
• Free bonus- unlock Jago for use in all modes of play forever by playing Shadow Lords!
• Fight an endless wave of fighters in Survival mode with a new twist- in Classic fight AI enemies or choose Shadow Survival to face Shadow Fighters, groundbreaking AI Fighters that use the strategy and playstyle of the real players that trained them!
• Customizable Combo Assist Options
Steam Features:
• Online multiplayer. Pay attention to the Performance Grading test automatically performed before your first match.
• Steam Achievements
ADDITIONAL PC SPECIFICATIONS:
• Additional supported peripherals: Windows-compatible keyboard, Xbox One Controller for Windows, Xbox 360 Controller for Windows, and Xbox 360 Fight Sticks.
Experience the thrill of combat with 29 characters, each with their own unique fighting style, combos, and finishers. Whether you're a veteran or a newcomer, you'll find plenty of challenges and rewards in the single-player modes and online multiplayer. Don't miss this opportunity to join the ultimate fight club and prove yourself as the supreme champion of Killer Instinct!
FEATURES:
• Fight for Free! Play various game modes with a free weekly rotating fighter, including online multiplayer. Get the complete collection by Upgrading to the Anniversary Edition to unlock all 29 fighters, retro costumes, premium accessories, and more from Seasons 1-3!
• 20 stages with intense stage destruction
• Competitive online multiplayer matches with state-of-the-art fighting game netcode
• Test your PVP skills online and compete for place in the top 32 in Monthly Ranked Leagues
• Extensive Dojo tutorial teaches all the core mechanics for Killer Instinct and Combo Breaker Training to master the art of breaking!
• Discover the origins and rivalries of your favorite characters in Story Mode
• Save the world in Shadow Lords, a revolutionary re-playable rogue-like Fighter mode! Build a team of fighters, collect powerful helper Guardians, Artifacts and Consumables to gain game changing abilities and buffs needed to stop the invasion of Gargos and his army of Mimics!
• Free bonus- unlock Jago for use in all modes of play forever by playing Shadow Lords!
• Fight an endless wave of fighters in Survival mode with a new twist- in Classic fight AI enemies or choose Shadow Survival to face Shadow Fighters, groundbreaking AI Fighters that use the strategy and playstyle of the real players that trained them!
• Customizable Combo Assist Options
Steam Features:
• Online multiplayer. Pay attention to the Performance Grading test automatically performed before your first match.
• Steam Achievements
ADDITIONAL PC SPECIFICATIONS:
• Additional supported peripherals: Windows-compatible keyboard, Xbox One Controller for Windows, Xbox 360 Controller for Windows, and Xbox 360 Fight Sticks.
Are these done yet?
Last evaluated Jun 27, 2026
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