Yes, and thanks for cosmonim! Cool idea.
$ git clone https://github.com/Yardanico/cosmonim
$ cd cosmonim
$ curl -o cosmo.zip https://justine.lol/cosmopolitan/cosmopolitan.zip
$ unzip -d cosmopolitan cosmo.zip
$ nim c -d:danger --opt:size -o:hello.elf hello.nim
$ objcopy -SO binary hello.elf hello.com
$ ./hello.com
bash: ./hello.com: No such file or directory
$ ls -la hello.com
-rwxrwxr-x 1 84K hello.com
$ mv nim.cfg old.nim.cfg
$ nim r hello.nim
Hello, world!
hellohere
Run
nim| 1.5.1
---|---
gcc| 10.2.0
glibc| 2.31
bash| 5.1.4(1)