You can find it on Steam and Indie.io for PC, Mac, and Linux.
This is a specific level (world) within Super Mario Odyssey on the Nintendo Switch. Ruined Kingdom Free Download
While the idea of a free download is tempting, the consequences often outweigh the benefits: Go to product viewer dialog for this item. Ruined Kingdom (PC) - Steam Key - Digital Game Code You can find it on Steam and Indie
It is a paid title , typically priced at $7.99 , though it has seen sales as low as $1.99 on SteamDB . typically priced at $7.99