[rokkitmensch]

Skateboarding on the moon is going to /killllll/.

[morebortplates]

Swimming would be a pretty interesting experience as well. You probably could even walk on water.

https://what-if.xkcd.com/124/

[abecedarius]

https://en.wikipedia.org/wiki/The_Menace_from_Earth

I'm not sure how realistic the muscle-powered flight is, but a different form has been done on Earth.