Is Clean All the Leaves on Steam?
No. It is a Roblox game, made by Muffin Interactive, and you play it through Roblox. Searching Steam for it only turns up other games about leaves and cleaning.
Open the game on RobloxIs it free?
Yes, it is free to play. Some extras, like Game Passes and a few shed items, cost Robux, but you can finish the whole game without them.