I recently shipped CodeGuessr. It's like GeoGuessr .. but for code. Given a random code snippet, you have to guess which popular open source project it belongs to. It took about a day to go from a quick sketch to live-on-the-net. It's similar in size to another tech quiz I built called TLD Quiz. The development for CodeGuessr looked like this: Searched "top github repos by stars" and found https:/