How Do I Fix Undertale Lag?
Try lowering the resolution or closing background applications. It worked for me and my gameplay was smooth as butter!
Play Games.Earn points.Get gift cards!

Playback Rewards
(13.7k)
500k players and counting...
More Answers
Running the game in compatibility mode for an older version of Windows sometimes helps. Give that a shot!
Upgrade your graphics drivers. Sometimes they're the sneaky culprit behind random lag.
Honestly, just get a better PC. Undertale isn't that demanding, but if it's lagging, you might need an upgrade.
Turn off V-Sync in the game options. Might make the game run smoother.
馃憖 If you like Undertale...
The brands referenced on this page are not sponsors of the rewards or otherwise affiliated with this company. The logos and other identifying marks attached are trademarks of and owned by each represented company and/or its affiliates. Please visit each company's website for additional terms and conditions.
People also want to know
Add an Answer