Originally Posted by Feonyx
So I tried the above method. Got the score achievement but can NOT get the DNA achievement "Never Say Enough". I've gotten over 500,000 DNA.... how do I know? I am staring at the DNA Lab read out and it says I have 500,752 AFTER buying EVERY DNA Node on the Helix.
The same thing happened to me.
I had to replay the game and I used In the Belly method which was much faster and I had a x5 bonus plus it unlocked.