Does physics work in 3d ?

Does physics only work well in purely 2D games and platformers?

In 3D, top-down, and isometric games, it doesn't work as expected? For example, gravity doesn't work properly in 3D games? Or do I just not know the techniques?

Please show me the source if there is one.

While you wait for official 3d physics, you can try my addon.

It works with 3D Model and Mesh (my addon), 3D Shape, but not on other objects.

construct.net/en/forum/construct-3/general-discussion-7/testing-wip-mesh-bundle-3d-187886

Also added a version here for testing, this is WIP, port from SDK V1 to SDK V2

construct.net/en/make-games/addons/1570/physics-3d

Thank you mikal