Welcome to Animal Tower Defense! ----------------Instructions------------------------------------------ Drag and Drop your Towers (Animals) on the Map and press the start button. They will automatically attack for you. Press Space over your towers to see their upgrade price and their sell value. Press X over a tower to sell it, and press Z over a tower to upgrade it. There are 16 rounds in total, with a boss on the last round. After the 16th round, endless mode will begin. See how long you can survive!