"Chemicus is a well-put-together pure-puzzle adventure game -- even ignoring the fact that it's 'educational' and put together out of real-world chemistry ideas." http://www.eblong.com/zarf/gamerev/chemicus.html
"Chemicus, like the earlier games in this series, is highly recommended as a learning tool for kids studying chemistry, to increase understanding and the ability to see concepts in a way that they can be more easily grasped." http://fourfatchicks.com/Reviews/Chemicus/Chemicus.shtml
"A scientifically based puzzle challenge of the highest order, set in a large and detailed world in which you will wander (and ponder) back and forth with a weighty tome in your backpack." By Steve Ramsey. http://www.quandaryland.com/jsp/dispArticle.jsp?index=520