Monkeypile Mode

In Monkeypile Mode, you must stack all of your towers on top of each other. You can place your first tower anywhere you want (except on the path), but all subsequent towers must be placed on top of it. Each time you place a tower, a button for it will be added to a bar at the top of the screen for you to click on to open the upgrades menu for the tower. Once you have placed your first tower, you are unable to sell it; so you must choose your first tower position wisely.