Play Instructions:

Use the Arrow keys to move the catalyst and reach molecules columns Use Space key to shoot molecules that have the same catalyst colour. If the molecule colour is different from the catalyst, the colour will be absorbed by the this. If a molecule reach the catalyst base, the game is over. When you get to level 7 special molecules will appear to make easier the catalyst's job.

Control Scheme:

Fire: space.
Movement: arrow.
Jump: na.