DNA is a collectible that is needed to upgrade your Dino. The player can earn it by reaching Milestones, saving Eggs or eating critters. 1 DNA is gained for every 8 Eggs saved or critters eaten. If you have 250 DNA left, pressing shift will provide a Jump Boost and with 500 DNA left, you will also get a Strength Boost. Note that both of these shift powerups will not work on Multiplayer.
There are four things you can spend DNA on: