Modern Windows (10 and 11) tries to “help” older game engines with DPI scaling and full screen optimizations. This often breaks PGMMV.
Use 320x180 or 640x360 (16:9) as they scale perfectly into 1080p, 1440p, and 4K. pixel game maker mv not working full
For NVIDIA users, try setting "Adjust desktop size and position" to No Scaling in the NVIDIA Control Panel. Monitor Configuration Modern Windows (10 and 11) tries to “help”
Even if the option is broken, the universal Windows shortcut ( Alt + Enter ) forces most DirectX/OpenGL applications to toggle full screen. If this works, the issue is likely a missing UI button binding, not a rendering engine flaw. For NVIDIA users, try setting "Adjust desktop size
After updating, try running PGMMV in (you can force this via a command line argument: -force-opengl ).
return true; catch (error) // Handle any exceptions console.error(`Error reading project file: $error`); return false;
If the program does not start at all or closes immediately after the logo appears, follow these verified troubleshooting steps: