Valence 0.2
Valence 0.2 ships with a new metallic UI, and multiple levels -- up to ten levels in all. Difficulty ramps up, with more types of atoms on each level.

Valence 0.1
Valence 0.1: a chemistry-related educational game! Place atoms on the board; form stable molecules by combining atoms of opposing valences, like H (+1) and Cl (-1). This is the first prototype, where you can place and connect molecules.