Did you check the temperature of the cpu and gpu? It might be a overheating problem that causes the fps drops.
I'll try to do this, thanks for the tip.
I doubt the diemension of a game has anything to do with it, rather it is probably due to 3D games being more resource intensive. Do you use a nvidia gpu?
Need specs. Have you checked your free memory while games are running?
Try installing and using gamemode (if you haven't already).
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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