Starting Bubbles: 50 Recommended Potions: Extra, rainbow and ceiling Useful Charms: Charm of Precision Points to get 1, 2, 3 Stars: 70,000, 90,000, 105,000 Special bubbles: Infected Bubbles, Doom Skull Bubbles
Strategies, Pictures and Tips by Teresa Atkinson and Patti Frazier-Laundree
Pic EI 21-3a: Large number of doom bubbles inside red triangle.
You have a triangle of doom bubbles center screen, clear the bubbles at the sides first as the virus comes down the sides. If it comes too far down you won’t be able to drop the screen to see the ceiling.
Once you have cut off the virus clear the doom triangle by working around the sides and top. You can see the ceiling once the doom bubbles have dropped, just continue and clear the ceiling.
Pic EI 21-3b: Ceiling can be seen with remaining infection bubbles circled in yellow.
At EI 21-3 you need to have a bit of luck or the Charm of Antidote if you want to drop as many bubbles as required under the viruses to get to do bankshots via both walls to drop the big pyramid of skulls by shooting above it.
I prefer to shoot down at least one virus cluster completely. In the video attached it is done by aiming two rainbow Bubbles above the right side virus cluster, but if you need your RB Bubbles for something else you can also first shot as much below the viruses, so that you lower the screen to see the colours above them to either screencap or memorize. Then shoot bubbles to attach themselves to either side virus to highten the screen again and aim above them to drop the virus cluster. (See Pic attached)