libgl.so.1 is installed but steam and undertale still show this error

The error related to `libgl.so.1` can sometimes be tricky to resolve, but it's typically related to the OpenGL libraries. Here are steps to address this issue when it affects Steam and games like Undertale:

1. **Check OpenGL Libraries**:
   - Verify that the necessary OpenGL libraries are correctly installed on your system. The specific package names may vary depending on your Linux distribution. In many cases, you might need the `libgl1-mesa-glx` package.

2. **32-bit Libraries for Steam**:
   - If you're running a 64-bit version of Linux, ensure that you have the 32-bit versions of the OpenGL libraries installed. On many Linux distributions, you can install these libraries using a command like:

     ```bash
     sudo apt-get install libgl1-mesa-glx:i386
     ```

3. **LD_LIBRARY_PATH**: 
   - Check that your `LD_LIBRARY_PATH` environment variable is not interfering with the library loading process. It's best to avoid setting this variable manually, especially when running Steam or games.

4. **Library Conflicts**: 
   - Verify that there are no library conflicts or missing dependencies that might be causing the issue. Some third-party applications or libraries could interfere with the correct loading of OpenGL libraries.

5. **Steam Runtime**: 
   - Steam provides its own runtime environment, which can sometimes conflict with system libraries. You can try disabling Steam's runtime by launching Steam with the following command:

     ```bash
     STEAM_RUNTIME_PREFER_HOST_LIBRARIES=0 steam
     ```

   - This will instruct Steam to use system libraries instead of its own runtime.

6. **Game-Specific Issues**: 
   - If the issue occurs only with specific games like Undertale, it could be a problem with those games. Verify if there are updates, patches, or troubleshooting guides specific to those games' Linux versions.

7. **OpenGL Driver**: 
   - Ensure that you have the correct graphics drivers installed for your graphics card. This can greatly affect OpenGL compatibility. Depending on your GPU, you may need proprietary drivers provided by the manufacturer or open-source drivers.

8. **Steam Client Update**: 
   - Ensure that you're using the latest version of the Steam client. Outdated Steam clients may have compatibility issues.

9. **Reboot**: 
   - Sometimes, issues with library loading can be resolved by simply restarting your computer.

If you've tried the above steps and still encounter issues with `libgl.so.1`, you may need to provide specific error messages or logs for more targeted assistance. Steam logs can be found in the `~/.steam/logs` directory.

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