The multi-support physics sandbox "Brickadia" has been quite well received in Early Access. You can also create a "game" within the game, infinite ways to play.

The multi-support physics sandbox "Brickadia" has been quite well received in Early Access. You can also create a "game" within the game, infinite ways to play.
On July 12, Brickadia released its sandbox game Brickadia in Early Access on Steam. This work seems to have gained popularity immediately after its release....

The linked article is in Japanese.