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Comment by duskwuff | Hacker News Reader

Another older but really good Zachtronics game that I like to recommend is KOHCTPYKTOP, which simulates something similar to MOS semiconductor logic. Your job is to build ICs which conform to predefined stimulus/response patterns.

Unfortunately, it requires Flash, so it may be difficult to get to run in a browser nowadays. Totally worth it, though!

http://www.zachtronics.com/kohctpyktop-engineer-of-the-peopl...

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It's also available in ZACH-LIKE [0], a free compilation of a bunch of his earlier flash games. Windows-only, however.

[0] https://store.steampowered.com/app/1098840/ZACHLIKE/

Zach-Like is primarily "A book of behind-the-scenes design documents from Zachtronics."

Now that the kickstarter is finished it's available for free as PDF (link in parent post)

"In addition to PDFs of the book, the digital version contains all pre-SpaceChem Zachtronics games and a bunch of early builds and prototypes, including some of the unreleased games depicted in ZACH-LIKE."

KOHCTPYKTOP heavily inspired Pavel Krivanek's PharoChipDesigner which runs in Pharo Smalltalk 8.0:

https://github.com/pavel-krivanek/PharoChipDesigner

This sounds similar to a more recent Zachtronics game, Shenzhen I/O. How does it compare?

They're very different. SHENZHEN I/O is mostly about microcontroller programming. KOHCTPYKTOP has you building semiconductors by drawing lines. Of course the latter influenced the former, but the gameplay is just completely different.

There are videos of both online if you want to get a better idea.

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