Forum rules Contrary to popular belief, we are not all-knowing-all-seeing magical beings!
If you want help you're going to have to provide lots of info. Like what is your hardware, what is your operating system, what version of GZDoom/LZDoom/whatever you're using, what mods you're loading, how you're loading it, what you've already tried for fixing the problem, and anything else that is even remotely relevant to the problem.
We can't magically figure out what it is if you're going to be vague, and if we feel like you're just wasting our time with guessing games we will act like that's what you're really doing and won't help you.
Pi's have been running GZDoom since the 2nd generation at least, maybe even in the 1st gen. (That's more than 10 years ago)
Frame rates are not exactly "fluid" per se, and a lot of it will depend on the native resolution of your desktop (pixel fill rate is a killer on mobile processors), but generally it does work. If you're planning slaughter maps or any "brutal" style mod though - forget it. The Pi's rather humble processor simply can't handle those.
Also you will need to use builds that are compiled for arm64 - technically amd64 builds can be emulated but they will be really slow.
