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in your settings and instead use a script or event to trigger window_set_fullscreen(true) after the game has launched. Windows Display Scaling
PGMMV struggles with modern high-DPI (High Dots Per Inch) displays, specifically laptops or 4K monitors where text scaling is set above 100%.
When scaling your game to full screen, everything becomes blurry or shows scaling artifacts. pixel game maker mv not working full
If PGMMV doesn't start at all or closes immediately after the logo appears: Steam Community Whitelist in Antivirus
If the software UI itself doesn't fit on your screen, preventing you from clicking "Accept" or "Add new scene": Steam Community Problem with UI resolution - Pixel Game Maker MV in your settings and instead use a script
This is the number one complaint across support forums. You click the icon—nothing happens. Or Steam shows you’re “playing” for a moment, then the button turns back to green.
: Antivirus software often flags PGMMV or its player executable. Safelist the Pixel Game Maker MV folder in your Steam directory. Install C++ Redistributables If PGMMV doesn't start at all or closes
If you choose to run the game in standard fullscreen, your GPU driver must step in to sync the engine's refresh cycle:
Does the engine throw a specific when it crashes?