SpaceChem is an indie, puzzle design game for the PC. It was developed by Zachtronics Industries, and initially released on the 1st January 2011 via the Zachtronics Industries website. Later released on Steam on the 4th March 2011, followed by GamersGate on the 17th March 2011. An update called ResearchNet was made available on 29 April 2011, which added a Level Editor amongst other features. On the 11th May 2011, a fully translated Japanese version was released on Playism.


The game is set in the distant future, where humans have colonised other planets. A major issue for the human race, is obtaining resources, of which corporations have addressed by "rearranging" atoms and molecules to create the needed elements. The player is cast in the role of a Trainee Reactor Engineer, working for a corporation called SpaceChem, that specializes in the atomic and molecular manipulation. Read more...


SpaceChem A Brief Introduction

SpaceChem A Brief Introduction

The official tutorial video

The game involves manipulating atoms and molecules in reactors, to then create a new molecule(s). Multiple reactors can be chained together in a production assignment, to create ever more complex molecules. The ultimate goal, being to create the final desired molecule.

Although the game uses known elements from the the periodic table, the game relies on pseudo-science in order to engage.

Reception and RetailEdit

The game has received generally very positive reviews, with a Metacritic score of 84.

By 2016 you can buy and download it on STEAM or on GOG (Good Old Games) or ...

There is official support for Windows (XP, Vista, 7, 8, 10) and Linux (Ubuntu 14.04, Mint 17).

External links: SpaceChem on GOG, on STEAM .