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