I finally replaced my nine-year-old Linux computer and am trying to get the new one set up. After installing Ubuntu 20.04 LTS, I installed both Tile World, which I compiled from source, and Dosbox which I installed through apt-get. Both of them require SDL so I had to install this first.
The problem: The installed games won't run unless I'm root. If I run from the start menu, nothing happens. In console, it tells me that it can't initialize SDL because "No available video device".
Interestingly, I can run either of these games via sudo. When I do, though, it runs it full screen, not in a window.
I'm wondering if some library file needs permissions? Anyway, any suggestions or other help would be appreciated. Thanks in advance.
In case it matters, my graphics card is a NVIDIA Corporation GK208B [GeForce GT 710] using NVIDIA driver metapackage nvidia-driver-440.
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