“Indie studio Reckoner Industries and publisher The Iterative Collective are today very happy excited to announce that they have just released the “Puzzle Workshop” DLC update for their logic-based synthesizer-inspired puzzle/simulation game The Signal State (which is now available on Steam for Windows and Mac).” – Jonas Ek, TGG.

Source: N4G PC The Signal State has just released its "Puzzle Workshop" DLC update via Steam