I think the game needs a little explanations, I love the concept of it, I had a bit of trouble of understanding which thought that popped in is the bad one and which was the good one, took some experimentation to find out the gray whirl is the one to hit away, and the gold spikes are the ones to eat. I think a little explanation about the game's goal at the beginning loading screen will help a lot. I was left guessing whether I should even left the health bar go down or go up because there's no change in text color to indicate health or danger, such as the normal red, orange and green changes on health bars.