how to run a file using command line in kali linux that is gzip compressed data

by |Published April 8, 2020

I have a file and upon running the command file file_name, I get this
flag2: gzip compressed data, was “flag.txt”, last modified: Tue May 21 22:52:20 2019, from Unix, original size modulo 2^32 33
I have tried gunzip, xxd filename, but nothing seems to work.
cat flag2 gives me this .Ώ�M̫�O,J��,��K�/-��,�L-��;�