Balloon defender 2 Category:Online Action Games Description: Pop all the 6 type of balloons before those reach the right side through the levels. You can also upgrade. Buy upgrades for your robot and pop all the 6 type of balloons before those reach the right side through the levels. Can you buy all upgrades? This game is online. Tags: Developer:madmadmad555 Instructions: Check inside the game for instructions on how to play Balloon defender 2.