Atheists: meaning/purpose of life?

We are born with a clean slate and life is our trial before God in order to judge us effectively from what he presents to us in life. The meaning as such is how much of a role you play with the life and time you are given, your purpose includes how much you affect those and that which is around you. Your choices and your actions make an impact on the eyes of the Almighty and he watches with great detail like a father would do with his child as to how you progress through the life which he gave you. I am sure that after death, you are stood beside him and shown your life and are asked by the Big guy questions related to what has gone before you. We are all tested in life and we are all given moments to shine. God intends these to exercise our purpose. Our meaning, is the impact we make on time and whether we have justified our place in being so.