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Undisputedis Steel City’s latest boxing title. It is still in Early Access and not optimized to run on the Steam Deck. The Steam Deck can run it, but it has so many issues that it is almost unplayable in its current state. This guide will explainhow to getUndisputedrunning on a Steam Deck.
The battery life is impacted without the tools needed for this guide, and the inconsistent framerate jumps between 14 and 25 FPS. It affects the responsiveness of thepunches inUndisputed, which lack the required responsiveness for a combat title. With the guide provided here, Steam Deck players can get acceptable performance, play closer to alocked 30 FPS, and prevent the game from draining too much battery.
Updated on July 01, 2025, by Michael Llewellyn:Undisputed got a full launch in October 2024, but it’s still labeled as ‘Unsupported’ for the Steam Deck. Thankfully, with some tinkering to the settings and Dekcy Loader’s Power Tools, it runs perfectly well. However, the latest Steam Deck update broke the Decky Loader app. This update will show you how to restore the Decky Loader and get Undisputed running again.
Even with the below settings,Undisputedis not a perfect experience. It frequently crashes when trying online modes and Prize Fights, forcing users to restart the Steam Deck and registering a loss or a defeat. So until Steel City gets a fix,stick to the offline modes only.
Before trying to get the optimal settings and achieving 30FPS, Steam Deck users will need to download and install Decky Tools. The following steps will show users where the Decky Tools plugin can be located.
Switch To Desktop Mode
More complete instructions for using Desktop mode can befound at this link. So, this guide will go over the basics.
Installing Decky Loader
Steam Deck users must install a plugin called Decky Tools, which can be accessed from the Steam Deck’s main menu. However, users should be aware that it isnot an official plugin for the Steam Deck, and even though it’s safe, there is always a possibility something should go wrong. That said, Decky Loader is one of the best plugins users can have installed to get the best out of their Deck.
Best Steam Deck Settings For Undisputed
With Power Tools installed, Steam Deck users can utilize the best settings for presentation and a stable framerate inUndisputed.
Performance Settings
Adjusting The In-Game Settings
WithSMT switched off in the Power Tools menu, it is time to tinker with the in-game settings. Use the following settings to get the best performance:
1024 x 576
30
60
Post Processing
High
With these settings in place,Undisputedplayers should get a solid 30 FPS lock on Steam Deckwith the occasional drop to 29 FPS. Thanks to the Power Tools add-on, these settings will ensureUndisputedavoids draining the battery.
Battery consumption is still high at 19%, but it is preferable to 25-30%. Ideally, a fighting game like this would perform better with 60FPS, but until Steel City implements Steam Deck verified settings, this is the next best thing and a vast improvement over the erratic 10-24 FPS without them in place. However, with the high battery consumption, Steam Deck users may want to keep the machine plugged in for long sessions.
How To Fix Decky Loader On The Steam Deck
Unfortunately, the latest Steam Deck update has broken Decky Loader, and it’s likely vanished from the Quick Access Menu for most users. Luckily, this only breaks the program within Gaming Mode. With a few steps, you can restore your Decky app, your plugins, and all the current settings you like to have. Use the following steps to fix the Decky Loader on the Steam Deck.
verify you enter a memorable sudo password for future installs. It can’t be changed without resetting the Steam Deck back to its factory settings.
