How do I exit a level early?

If you wish to exit a level you have started playing early, drag five fingers across the screen!

How do I get a Gold Star for a level?

1. Pull more than one leg at once. For a single leg you get 125 points. For two you get 125+250=375, for three at once you get 125+250+375=750!
2. Quicker! You get 10 points per second left.

How do I get an antibody out of orbit?

Select the antibody as if you were going to move it, then drag it away from the Virion, say twice orbit distance, then lift your finger and it’ll fly away!

App Store Links :

Virion - iPad

Virion SD - iPhone,iTouch