In a future where colonies are in dire need of resources, Spacechem is the only company big and powerful enough to do the job. The story line is quite interesting, especially for a puzzle game. The huge corporation you are working for is flawed, and a series of equipment malfunctions go mysteriously unnoticed. On each level, you are presented with a reactor. Each reactor has two input tubes and two outputs. The goal of the reactor is to use the input molecules to create a new molecule, then transport it to a cargo ship. Using real atoms(with an in-game periodic table) and fake chemistry, you must do science! For the average gamer, Spacechem can get very complex quickly, although trying the demo will still entertain for a short time. Over all, even though i’m not into puzzle games, Spacechem earns a 7 out of ten.