How to Make Undertale Fullscreen on Windows 10
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Easy peasy! Just press F4 while you're in the game, and boom, fullscreen magic!
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I had the same issue. Just hit F4, and Undertale goes fullscreen instantly!
Bruh, just click F4 or Alt + Enter and you're good to go.
Hey there! Simply press Alt + Enter while Undertale is running, and it'll switch to fullscreen. Enjoy the game!
馃憖 If you like Undertale...
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