Any Vim/NeoVim users?
Arrow keys? WASD? Joypads?
That's boring.
The best, most efficient way to move is, of course, using HJKL.

Limit equations have taken over outer space, use your L337 vim motion skills to save the universe!

You don't even need to leave the home row of your (mechanical?) keyboard. Like a pro.
(the usual controls for normal human beings are also available)
Jam link: https://ldjam.com/events/ludum-dare/54/limites-spatii
HTML5 and Windows: https://jamtempisto.itch.io/limites-spatii