Mortal Kombat: Legacy Kollection Online Arcade Now Available For All Platforms

We hope you've been having fun with Mortal Kombat: Legacy Kollection! Today, we're excited to share that the "Online Arcade" update is now available across all platforms: Nintendo Switch, Nintendo Switch 2, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S, and Steam.

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No matter where you're playing, you can now download the latest update and experience a variety of new features.

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Highlights of the Online Arcade update include:

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• Lobbies for online play. Our goal with Online Arcade mode is to replicate the experience of having a large group of players together in a personal arcade or game room. In that room, you will have total freedom and control over who is allowed in, and which games everyone can play. These rooms can be public or private, and will support up to 16 participants who can play any mix of games found in the Kollection that support online play. Up to eight matches can happen simultaneously, and players have the option of competing or spectating.
• Khronicle of the Realms. The perfect companion to the character biographies in the Kombatants section, the five timelines that make up the Khronicle detail the overall chronological story of the games in the Kollection, accompanied by character artwork.
• Adjustable CPU difficulty. Before you begin playing one of the arcade games or Mortal Kombat Trilogy, jump into the Game Settings menu and you can use the "Fixed AI Difficulty" setting to keep the computer-controlled opponents at whatever difficulty level you choose.

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The team at Digital Eclipse is continuing to work on additional features and fixes for Mortal Kombat: Legacy Kollection that will roll out to all platforms in early 2026.

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Questions about how online lobbies work? Check out the Questions & Answers section of our previous update.

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A full list of patch notes for this update is below.

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PATCH NOTES

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• Added Online Arcade mode - Players can now create public or private rooms, invite friends into their room, and select which games are available in their room
• Added Lore section to The Krypt - The Khronicle of the Realms tells the story of the conflicts depicted from ancient history through to the events of Mortal Kombat 4
• Fixed online error message incorrectly appearing in Quick Match
• Addressed issue where players could get stuck on the "online initializing" screen if the joining room process failed
• Emulation latency improvements for MK, MKII, MK3, UMK3 and UMK3 (WaveNet)
• Screen scaling adjustments for MK3, UMK3 and UMK3 (WaveNet)
• Versus Mode for Arcade Modes and MK Trilogy can be fought against AI opponents with configurable AI difficulty
• Training Modes can now configure the difficulty of the AI when AI is selected
• Added Training mode to Ultimate Mortal Kombat 3 (WaveNet)
• Recordings in training modes now adjust when character switches sides
• Volume should be at a more consistent level across all games
• Improvements to controls configuration
• Block has been remapped by default to R1 (PlayStation), RB (Xbox), R (Switch) and Run is now on L1 (PlayStation), LB (Xbox) and L (Switch). Block 2 is now on R2 (PlayStation), RT (Xbox), ZR (Switch). Run 2 is now L2 (PlayStation), LT (Xbox) and ZL (Switch)
• Moves lists across several games have been revised to be more accurate
• MK Trilogy load times have been further reduced
• Music will now loop properly in MK Trilogy when the round timer is unlimited
• Implemented adjustable CPU difficulty settings for arcade games and MK Trilogy
• Improvements to "random" character select option in all games
• Addressed some issues in MK: Special Forces
• High Scores and audit information are now persisted for all Arcade games
• Noob Saibot secret fight can now be accessed with only one controller in Arcade, Genesis and 32X MKII (Description text to be updated in next patch)
• Ermac Fatality 2 can now be performed in SNES UMK3
• Added portraits to the moves list for Deadly Alliance and Tournament Edition
• GBA Deadly Alliance and Tournament Edition will now have controller icons per platform for the default control scheme of those games
• Mythologies Sub-Zero and Special Forces will now reflect the controller icons set in the options menu (PC Only)
• A handful of small typographical or formatting errors have been fixed throughout the Documentary and Kombatants sections in The Krypt
• Additional localization improvements throughout the Kollection
• Minor trophy set naming adjustment (PS4/PS5)
• Miscellaneous platform-specific bug fixes