The dungeon tileset is actually available here! Not one of my creation but free to use :)
https://www.facebook.com/102346797784848/posts/pfbid0vehwXbxCaaBBv3dbG4KszUa3abM3goP6YrJimXMXM8s3QJtx3KHH2UX5cBnt2RtLl/
Thanks for letting me know!
