It's The Axe from Terraria, the pitch is based on the mouse position.
Pretty peculiar platformer featuring Lithium from Element Cattos!!! I stopped developing this game after about a month of working on it in July. This game's code is also slighty written by AI. (I constantly needed to make edits on it myself.)
You're free to mod the game, I vibecoded level editor under a minute for you already :)
Snake game present in 404 page.