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Dear user, we regret to inform you that SMG will be shutting down in December 2020. We appreciate your support over the past several years and deeply apologize for any inconvenience this may cause.


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At the proton harvesting company, your job is to get the proton to the black hole. Use other particle to your advantage and make the protons get to the black hole one way or another.


Use your mouse to place electrons and try to cause reactions that will help you get the job done.
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