Ragnarok by default has no MAC version.
But for all the Apple fans out there we can still Run Ragnarok on your Mac machine.
Here is a short tutorial on how to do do.
what we are going to do is install Windows XP on the mac machine using Oracle's Virtual Box. Its open-source nad available for almost all operating systems.
After Windows XP is installed then its like a normal XP machine just install Ragnarok as you install it on your Windows XP machine.
Here is a video tutorial on how to install Windows XP on MAC using Virtual Box. and All Credits for the Video to Sunil my Friend.