If you are having problems on linux, do this

cd /gamefolder
cp www/img/SumRndmDde/Title www/img/SumRndmDde/title

The game should work now. If you don't want to use the terminal, on your file manager go to the directory above and make a copy of the Title folder or rename it, same name but lowercase

If the game window doesn't even open, on arch do

sudo pacman -S fontconfig

[It may already be installed, this is meant to reinstall it]

On Ubuntu, maybe sudo apt install fontconfig. [This probably won't happen on Ubuntu unless it's the very latest version]

Why does reinstalling fontconfig work? I have no fucking idea, it just does unless I am the only one.

Note: I noticed the devs are very inactive on this site [may be busy or something, it doesn't matter], I made this post with a better title so more people can notice instead of waiting for an update