So I noticed the game uses black silhouette sprites on the ground to emulate shadows cast by the sun. By scaling the sprite horizontally you could probably mimic the sun crossing the sky with little cost to the game. Also since this game likes animated machines so much why not make the solar panels ...

Currently you have to open the world folder or load game to copy/rename saves. I think it would be convenient if you could rename them by clicking the title, slowly double-clicking the name from the list or pressing F2 (file explorer does both the latter). A copy button would also be nice to streaml...