A little chip design game github 
inspired by *KOHCTPYKTOP: Engineer of the People* page by Zachtronics.
It is an inaccurate and highly simplified tool for the design of silicon chip layouts. Unlike common educational tools for logic circuits designs, in Pharo Chip Designer, you need to face the real-life problems like propagation delays or limited amount of layers and available substrate area.
When you start the program, you are given a handful of circuit specifications and are expected to create them on the surface provided. You have metal inputs (pads) on the left and metal receivers for outputs on the right. On the top, you have a little toolbar where you can select the input mode of the elements that you can then place the board (substrate).