Oolite Bulletins

Cannot find a working version of Oolite for the latest version of Raspbian. Have a Raspberry Pi 400 and oolite is not available on the respos. I downloaded the Linux 1.90 64 bit version and installed and tried to run it and received this error message: /home/pi/GNUstep/Applications/Oolite/oolite.app...

Does anyone know how to get a hold of a working Oolite version for the latest Raspbian Buster version. I have a Raspberry Pi 400 and would love to get this game for it but it is not available on the repositories. I downloaded the Linux 64 bit version but just errors when I try to run it after instal...