Match the different shapes into the DNA strand in your hand. But, the lines of DNA can’t overlap. So you have to find different shapes further in the sequence to keep on matching. This is what makes finding cures for cancer so difficult, because it is like finding a needle in a haystack. Can you complete the DNA sequence in this thinking game? Find out, and become one of the superheroes who helped cure this type of cancer! Enjoy playing this science puzzle game here at Y8.com!