diff --git a/content/posts/newsletter-017/index.md b/content/posts/newsletter-017/index.md
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@@ -208,6 +208,21 @@ For full details and a list of breaking changes, see the
 [tetra]: https://github.com/17cupsofcoffee/tetra
 [tetra-changelog]: https://github.com/17cupsofcoffee/tetra/blob/main/CHANGELOG.md
 
+### [starframe]
+
+![Current state of starframe graphics and physics](starframe.gif)
+
+[starframe] by [@moletrooper] is a work-in-progress game engine
+for physics-y sidescrolling 2D games. This month, a new, more versatile
+constraint solver was used to add friction and basic joints. Collision
+detection accuracy and overall stability were also improved.
+
+_Discussions:
+[twitter](https://twitter.com/moletrooper/status/1338066680724008960)_
+
+[starframe]: https://github.com/moletrooper/starframe
+[@moletrooper]: https://twitter.com/moletrooper
+
 ### [rpt]: Rust Path Tracer
 
 ![demo renders](rpt-collage.jpg)
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