=>Flying Items: On virus levels 5, 10, and 15 on the medium and high speeds,
if you wait long enough on the intermission screen of three viruses sitting
in the tree, a secret object will fly across the top of the screen. Each
speed/level combination listed above will yield a different item:

Level / Speed / Pic
5 / med
/ book
10 / med
/ chicken
15 / med
/ spray can
20 / med
/ lizard
5 / hi
/ turtle
10 / hi
/ pig
15 / hi
/ witch
20 / hi
/ space ship

 =>Quick Reset: Press START+SELECT+A+B to reset the game.