It has a pretty big sandbox game feel to it as well, since you can do whatever you like for the most part. (droidgamers.com)
If you were to be published there, that would be a much bigger sandbox to play in than keep on publishing blog posts or articles on your own website. (divorcemarketinggroup.com)
They assessed tunnel characteristics in both generations by allowing the mice to build burrows in big sandboxes in the lab. (sciencemag.org)