dragon ball z

I've played a lot of DBZ fighting games and they all have pretty basic square maps. I've always wondered what it would be like to fight on King Kai's small planet. I'm not very familiar with game design/coding, but would this even be possible or even easy to make a spherical map that works...

https://www.youtube.com/watch?v=-0dq5NOSzi8 https://www.youtube.com/watch?v=QUNw5Tup87w https://www.youtube.com/watch?v=mD_o-iye_hU https://www.youtube.com/watch?v=25brD7KxZXg https://www.youtube.com/watch?v=8vTr_aNg0X8 I wanted to ask you guys what you think about these songs :D...