Here is the full list of all 15 The Signal State achievements.
Solve Drone Pathfinder without using any Signal Delays.
Solve Signal Delay Implementation trivially.
Solve Min and Max Redesign trivially.
Solve Logic Test without any logic modules.
Solve Power Regulator using a maximum of 1 VCA.
Finish the story.
Complete all required and all optional puzzles.
Solve Optimized Signal Repeater in an extremely efficient manner.
Finish Act 2.
Solve Drone Processor without using any Signal Delays.
Record a GIF.
Create an infinite loop.
Solve Radio Amplification Circuit without using any logic modules.
Finish Act 1.
Complete the tutorial.