Molecular Marvels bundle - available now

https://store.steampowered.com/bundle/39205/Molecular_Marvels/

We're delighted to team up with our friends at Zachtronics to offer you the Molecular Marvels bundle - 4 great chemistry puzzlers in one place.

Complete the set - if you own any of the games in the bundle, you get a discount on the others.