How to get Six (an old KDE game program) running in Kubuntu 20.04
Solution 1:
Direct compilation from 15 years-ago sources probably will not work because of missed dependencies at compile time.
But there are clues that this package is still available in compiled form on Fedora. To prevent Glibc version missmatch we should convert rpm-packages from Fedora 32 to deb-packages, then install them as follows:
sudo apt-get install alien libart-2.0-2 libmng2 libjpeg62 libaudiofile1 libmad0
cd ~/Downloads
wget -c https://kojipkgs.fedoraproject.org//packages/qt3/3.3.8b/80.fc32/x86_64/qt3-3.3.8b-80.fc32.x86_64.rpm
sudo alien -i qt3-3.3.8b-80.fc32.x86_64.rpm
wget -c https://kojipkgs.fedoraproject.org//packages/kdelibs3/3.5.10/105.fc32/x86_64/kdelibs3-3.5.10-105.fc32.x86_64.rpm
sudo alien -i kdelibs3-3.5.10-105.fc32.x86_64.rpm
wget -c https://kojipkgs.fedoraproject.org//packages/arts/1.5.10/46.fc32/x86_64/arts-1.5.10-46.fc32.x86_64.rpm
sudo alien -i arts-1.5.10-46.fc32.x86_64.rpm
wget -c https://kojipkgs.fedoraproject.org//packages/six/0.5.3/35.fc32/x86_64/six-0.5.3-35.fc32.x86_64.rpm
sudo alien -i six-0.5.3-35.fc32.x86_64.rpm
And then launch game with LD_LIBRARY_PATH=/usr/lib64 six
to get
Note: currently I do not know how to fix "No text!" labels, but game seems to be working.