option 1: Step 1: Switch to Desktop Mode

1. On your Steam Deck, press the Steam button.
2. Navigate to "Power" and select "Switch to Desktop."

Step 2: Download folder: https://drive.google.com/drive/folders/1mTYraGnnI59wnhbV-6fw_DC1a-r7oASO?usp=drive_link

Step 3:

1. Navigate to the Urban Chaos folder on your device:
   • Internal location: /home/deck/.steam/steam/steamapps/common/Urban Chaos
2. Paste the copied files into the Urban Chaos folder and overwrite.

Step 4: Set Launch Parameters in Steam

1. Open Steam and go to your Library.
2. Right-click on Urban Chaos and select "Properties."
3. In the General tab, find the "Launch Options" field.
4. Add the following line to the launch parameters:

   WINEDLLOVERRIDES="DDraw=n;D3DImm=n" %command%
   

option 2: Step 1: Switch to Desktop Mode

1. On your Steam Deck, press the Steam button.
2. Navigate to "Power" and select "Switch to Desktop."

Step 2: Download dgVoodoo

1. Go to the dgVoodoo website: dgVoodoo 2 Download.
2. Download the latest version (v2.79.3 at the time of writing).

Step 3: Copy Necessary Files

1. Extract the downloaded dgVoodoo files.
2. Locate the MS/x86 folder in the extracted files.
3. Copy DDraw.dll and D3DImm.dll.
4. Navigate to the Urban Chaos folder on your device:
   • Internal location: /home/deck/.steam/steam/steamapps/common/Urban Chaos
5. Paste the copied files into the Urban Chaos folder.

Step 4: Set Launch Parameters in Steam

1. Open Steam and go to your Library.
2. Right-click on Urban Chaos and select "Properties."
3. In the General tab, find the "Launch Options" field.
4. Add the following line to the launch parameters:

   WINEDLLOVERRIDES="DDraw=n;D3DImm=n" %command%
   

Step 5: Configure Aspect Ratio

1. Download the Widescreen Fix from PC Gaming Wiki: Urban Chaos Widescreen Fix.
2. Replace the Fallen.exe in your Urban Chaos folder with the appropriate version for your screen’s aspect ratio.

Step 6: Adjust Frame Rate Settings

1. Open the config.ini file located in your Urban Chaos folder.
2. Set the maximum frame rate. A recommended value is 45, as it provides smooth animations without making them too fast.
3. Avoid adjusting the draw distance, especially with the Aspect Ratio Fix, as it may lead to crashes.