I have this game. i tried to make an concept i though as a child.
'https://dream-search-repeat.itch.io/orgrav'
But it's too hard (at least for my taste, i'm not fan of hard games). Perhaps you can get an inspiration or an idea from it.
Basically the character moves automatically and what you do is redirect in what direction it has to go. Avoiding the level's walls and colecting orbs to unlock the exit.