How To Fix Kerbal Space Program 2 FPS Drop
1The Kerbal Space Program 2’s expansive open-world setting and extensive physics calculations may create performance issues on some PCs. A typical issue that gamers may have while playing a game is a drop in frame per second (FPS).
This could be the result of a number of issues, including excessive graphics settings, obsolete or incompatible drivers, or other background programs consuming system resources. To improve frame rate, gamers may need to adjust their graphics options, update their drivers, or shut down other applications.
These are the possible solutions that you can try to fix fps drop or lag when playing.
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LINK:
Kerbal Space Program 2 system requirements: https://store.steampowered.com/app/954850/Kerbal_Space_Program_2/