Don't worry about your progress, your idle world is growing even when you are not playing! Key element of idle mechanics is to allow user grow it's creation even without their full attention.
There are dozens elements available for you in this idle clicker game and it's count is still growing. Collect nano particles, atoms to create cells. Using your cells generate life from which humans emerge. Allow your humans to build cities and modify landscape. Then build spacecraft and explore just created space.