The problems are located here:

/bin/bash: /usr/local/bin/start_empire: Permission denied

-rw------- 1 0 0 182 Mar 9 10:58 start_empire

You need to tag your executable files with the executable permission (x), either with the CHMOD command at the shell prompt or through the graphical user interface of your FTP software. Examples here.

This always seems to be the one thing that people forget to give in their instructions, or if they're given, it's the thing that people always accidentally skip when reading instructions. What a pain.