Wires are unlocked after completing Level 20. Pressing the E key switches between the physical layer and the wire layer. Since the wire layer is separate from the physical one, most wire buildings can be in the same place as physical buildings.
Belt Reader[]
A Belt Reader outputs the shape going through and whether the belt is moving. It also shows how many items per second are coming through. It is unlocked after level 15.
Storage[]
The Storage has 2 wire outputs: 1 output for the stored shape, and 1 boolean that checks whether the storage is at max capacity. It is unlocked after level 16.
Quad Painters[]
The first use of the wires are Quad Painters. They have 4 wire inputs, 1 for each corner of a shape. It is unlocked after level 20.
Switch[]
A Switch is a button that acts like a switch. It is unlocked after level 20.
Filter[]
A Filter will filter the inputted shape/color from the belt input. It is unlocked after level 21.
Constant Signal[]
A Constant Signal will emit any set signal. It is unlocked after level 22.
Display[]
A Display shows the signal that is inputted into it. It unlocks after level 23.
Logic Gates[]
Logic Gates take only boolean signals and returns 1 boolean signal. They are unlocked after level 24.
Transistor[]
A Transistor forwards the signal from behind, if the signal from the side is truthy (shape, color or 1). They are unlocked after level 25.
Virtual Processors[]
Virtual Processors are the wire variants of normal buildings. They preform the actions of their physical counterparts on signals instead of shapes/dyes. They are unlocked after level 25.
Shape Analyzer[]
A Shape Analyzer returns the shape and color of the top right corner of the lowest layer of the inputted signal. It is unlocked after level 25.
Compare[]
A Compare returns 1 if both signals are exactly equal. It unlocks after level 25.