Moscow, Berlin, Singapore, Washington DC, London. The radio’s are still working, but there is no one left to use them. The only confirmed safe haven is Eden-Nadir, an island off the coast of the United States of America and headquarters to Thanatos Pharmaceuticals.
Thanatos pioneered a miracle treatment, designed to be a universal cure for deadly diseases such as AIDS, Cancer. However, the best of intentions became the worst of consequences when it was released that the cure had a devastating side effect. The fungi used in the engineered cure (Ophiocordyceps unilateralis) began uncontrollably spreading through the bodies of its hosts. Upon reaching the brain, it would feed and destroy the parts responsible for cognition. Only by keeping part of the host’s brain alive, the malignant fungal infection would control it’s host with the singular interest of proliferating its noxious spores.
If you want to have access to ALL DLC cosmetics, outfits and skins in one go, then join the VIP Club for immediate access to all current and future cosmetic content in the store or from in-game events as they are released.
However, for those using on modded hardware or PC emulators like Ryubing, the process is manual:
: Introduced Pyra and Mythra from Xenoblade Chronicles 2 . How to Install the "Mise à Jour" (NSP)
If you are currently on an older version, here is what major milestones you might have missed:
Updating your copy of Super Smash Bros. Ultimate ensures you have access to the latest fighter balances, DLC characters like Sora, and bug fixes. For users of homebrew-enabled consoles or emulators, managing these updates often involves handling (Nintendo Submission Package) files, which are digital containers for game data and "mise à jour" (the French term for software updates). Latest Version Overview: Ver. 13.0.4
: Addressed a bug that caused online matches to end immediately when a player on a newer console encountered someone on a standard Switch while using a Mii Fighter. Critical Update History
: Added Sora from Kingdom Hearts as the final DLC fighter, along with the Hollow Bastion stage.
For players using a standard Nintendo Switch console , the system will automatically download and install updates when connected to the internet.
: Fixed an issue where thumbnails would not display correctly when creating and saving new Mii Fighters after the transition to "Switch 2" hardware.
As of 2026, the most recent update is , released on June 24, 2025. Unlike the major content updates of the past, this patch focuses on technical stability, specifically:
: The final balance patch for the game's massive roster.
The open-world of Eden-Nadir covers a 66.95km² (41.6 mile²) area of woodlands, fields, marshlands, towns, villages and cities. This is all open for exploration and a potential place to set up camp and call home.
While surviving on the islands of Eden-Nadir you will come across many different people that you can interact with. Not all will be friendly and some you may have to earn their trust.
Click on the profile images to display additional information about the selected character






Jaws of Extinction is in Early Access development right now! Take a look at what we have in the pipeline and what you can expect to see in the future.
As an indie development team, we strive to encourage all players to get involved with the active development, with ideas and feedback. You can do that by joining our Discord server where the developers are always available to chat.
Join Community
However, for those using on modded hardware or PC emulators like Ryubing, the process is manual:
: Introduced Pyra and Mythra from Xenoblade Chronicles 2 . How to Install the "Mise à Jour" (NSP)
If you are currently on an older version, here is what major milestones you might have missed:
Updating your copy of Super Smash Bros. Ultimate ensures you have access to the latest fighter balances, DLC characters like Sora, and bug fixes. For users of homebrew-enabled consoles or emulators, managing these updates often involves handling (Nintendo Submission Package) files, which are digital containers for game data and "mise à jour" (the French term for software updates). Latest Version Overview: Ver. 13.0.4
: Addressed a bug that caused online matches to end immediately when a player on a newer console encountered someone on a standard Switch while using a Mii Fighter. Critical Update History
: Added Sora from Kingdom Hearts as the final DLC fighter, along with the Hollow Bastion stage.
For players using a standard Nintendo Switch console , the system will automatically download and install updates when connected to the internet.
: Fixed an issue where thumbnails would not display correctly when creating and saving new Mii Fighters after the transition to "Switch 2" hardware.
As of 2026, the most recent update is , released on June 24, 2025. Unlike the major content updates of the past, this patch focuses on technical stability, specifically:
: The final balance patch for the game's massive roster.
2016-2026 KYE Creations. All Rights Reserved - Know Your Enemy Creations Limited (Reg: 12575078)
Developed by Know Your enemy Creations Limited. “KYE”, “KYE CREATIONS”, “Know Your Enemy”, “Jaws of Extinction” (UK00003874004) and the KYE Creations “KYE” logo are all trademarks and/or registered trademarks of Know Your Enemy Creations. All rights reserved. Published by Forthright Entertainment LLC. Jaws of Extinction © 2016 - 2026 Ryan Thirlwall, KYE Creations. All Rights Reserved.