When i saw the bonus shop, i was sad, thinking it was another way to get money out of us. But when i clicked it, my heart rejoiced, IT WAS COMPLETELY FREE!
I can only imagine what the people were thinking. First they find the mayor stuffing a bag 'o' bombs into the ground, then they hear an explosion. Second they find him stuffing dynamite into a mountain, destroying a piece of it. Third they find him stuffing a nuclear bomb into the ground, therefore destroying everything in a 9500 mile radius.
How to finish the last age and win the game: Get 4 ion cannons and wait around until you get 850000$. Do not make any people during the waiting. When you have 850000$ or more, press the super soldier button. This should make 6 super soldiers. + this if this was halpful!