How to play Counter Emotions.
Drag and drop the emotion icons in teh color wheel. There are another 16 emotion icons on the left side of the screen. Place them in the corresponding color of the wheel to the right. Every emotion have an opposite emotion, which must be placed on the other side of the color wheel. The icons will stay active until placed correctly. Upon completion, new Knowledge Level is achieved.
Know more emotion to oppose the other.
Winning the game rewards +1 Knowledge Level
The download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie on YouTube.