Hey there!! It looks like the Linux build depends on some outdated openssl libraries; Ubuntu and Debian have both dropped openssl 1.0. I went down a bit of a rabbit hole trying to install an old openssl package myself, to no avail. Any chance of an updated Linux build?
[trinket@viverrinus:~/games/Chico and the Magic Orchards DX] » ./chico
./chico: error while loading shared libraries: libcrypto.so.1.0.0: cannot open shared object file: No such file or directory
[trinket@viverrinus:~/games/Chico and the Magic Orchards DX] » ldd ./chico | grep 'not found'
libcrypto.so.1.0.0 => not found
libssl.so.1.0.0 => not found