Simple 2D point and line physics using Verlet integration. Port and fork of
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codingmath @ f2ddaa9

Spare Parts

Spare Parts is a 2D physics game that lets you build silly contraptions and machines. The goal for this project is:

  • 100% of the code is open source in this repo
  • 100% of the development is livestreamed
  • Version 1.0 will be finished within 2 weeks and submitted to the App Store

Development started on March 23rd, and the app was submitted on April 5th!

The app is now on the App Store.

Follow the progress on the website:


This is a community project! All of the features, graphics, sounds, and functionality are decided as we go. Feel free to submit new issues with your ideas, and show up during the streams and discuss progress!

Current feedback needed:

  • Art Style! Vote here to help decide the art style for Spare Parts


Watch all of the development live! Subscribe or follow:


Spare Parts development is supported by Loose Leaf - gesture based brainstorming on the iPad.