Unfortunately it looks like a required package is missing for the linux build :(
> lafferty@lafferty-2023:~/Downloads$ ./gmtk-2026
> ./gmtk-2026: /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.43' not found (required by ./gmtk-2026)
(Running Kubuntu v24.04)