Due to its extreme complexity, SpaceChem will never be a title for everyone. Too deep and articulate for casual players, it will be appreciated only by those who are willing to engage themselves with the deep game mechanics Nevertheless Spece chem is no doubt one of the most brilliant puzzle game in the history of videogames.

Chemical maniacs will definitively fall in love with this tricky and fulfilling title!

Brain-achingly clever and hypnotically fascinating, SpaceChem is a must for any puzzle aficionado or anyone with a passing interest in programming.

The triumph of SpaceChem is that overcoming these situations is more a case of inventing a solution than discovering one - creating a technique on your own terms that, once learned, you find yourself reusing in later stages. [Apr 2011, p.101]

As much mental workout as excellent puzzle game, SpaceChem challenges and entertains, plus it has an engaging story.

What I enjoy the most is the fact that there is no right way to come up with a solution. If it works, you win.

If you like those kind of games, it's probably the best of the last 25 years. It's a game of extremes, the graphics are simply annoying, but it can keep you playing one level for a whole day.