How Do You Play on Full Screen in Undertale?
Super easy fix! Just press F4 on your keyboard, and boom, full screen glory!
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Full screen mode is just a quick key press away: F4!
If pressing F4 doesn't work for some reason, you can try Alt+Enter. Works like a charm for most games!
I know this sounds overly simple, but trust me: press F4.
On PC? Just hit F4, and you'll switch right to full screen mode! Enjoy those pixelated feels in all their full-screen majesty!
馃憖 If you like Undertale...
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