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Most molecules combine with other molecules and create different substances. But, in the game of Catalyst, your job is to keep the molecules from reaching center stage and creating something that might be devastating. Using the arrow keys to move your Catalyst around and use the space bar to shoot matching colored molecules. But, if the color is different, the molecules will change color so you have to stay ahead of the game in order to keep the molecules from reaching the middle. Good luck in this fast-paced game of skill and preparation. It's a never-ending battle so come prepared for a fight.

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