|Bubbles on screen||68|
|Bubbles Available to Shoot||41 (30 on Mobile)|
|Target score||9,900 points|
|Level 20||Level 21||Level 22|
Angry Birds POP! Level 21 is the 21st level in Waterfall and the 6th Drop the Pigs level in Angry Birds POP!. To pass this level, you must drop 3 pigs and score at least 9,900 points in 41 (30 on mobile) bubbles or fewer. When you complete the level, remaining bubbles and obstacles will reward you additional points.
Use your Rock Pop as your advantage to clear the obstacles and drop the pigs.