Check Out Zachtronics’ Design Documents and Unreleased Games for Free

Zachtronics is the developer behind ingenious logic puzzle games such as Spacechem, Infinifactory and Opus Magnum.

Earlier this year, Zach Barth opened up a Kickstarter for a physical book called ZACH-LIKE. The book contains design documents, pen-and-paper games and more. Now the digital version of ZACH-LIKE is available as a free download on Steam.

Not only is the book accessible to everyone, but so too are some of his game prototypes. It’s a treasure trove of Zachtronics goodness that fans simply must check out.