Spacechem: game or disguised educational tool?

SpaceChem: Game or Disguised Educational Tool?

A couple of weeks ago there was a website was kicking off a game giveaway by giving out copies of a puzzle game called “SpaceChem.” I was like, Ok, I’ll bite. I like space. Heck, I even like chemistry. But most of all, I like free. There turned out to only be one problem. You…