How to rotate a child opposite of its parent in BGE? What I want to do is, rotate the parent-object (while playing the game), and its child (which will revolve around the parent) to rotate in the direction opposite to its parent:



This is the original position.



This is when I rotate the parent(selected)



This is what I want(But while playing in BGE, either by python script or logic bricks
This should be possible without Python and Logic bricks. 
As far as I see, you want the child to keep its original orientation. This can be done by vertex parenting. You need to add a single vertex to the mesh of the parent on the location where the child is. Then parent the child to the vertex.