"Have you popped every single bloon in all difficulties? Have you done every single vault and daily challenge? Do you have atleast 100 of every pro agent? If yes. This new hardcore BTD is for you!" ~Game's Description When you enter the game; the screen appears saying: "Import all progress from BTD5?" By clicking Yes BTD5 will have code on screen, you copy it and import to BTD∞. If You Click No Then you will start everything from scratch. (P.S. Before clicking yes make sure you open both games)