This is a recap of the top 10 posts on Hacker News on Sep 28, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

• (00:00) - Intro

A WebGL game where you deliver messages on a tiny planet
https://messenger.abeto.co/
https://news.ycombinator.com/item?id=45396441

Greenland is a beautiful nightmare
https://matduggan.com/greenland-is-a-beautiful-nightmare/
https://news.ycombinator.com/item?id=45396754

SSH3: Faster and rich secure shell using HTTP/3
https://github.com/francoismichel/ssh3
https://news.ycombinator.com/item?id=45395991

Man still alive six months after pig kidney transplant
https://www.nature.com/articles/d41586-025-02851-w
https://news.ycombinator.com/item?id=45370798

A Postmark backdoor that’s downloading emails
https://www.koi.security/blog/postmark-mcp-npm-malicious-backdoor-email-theft
https://news.ycombinator.com/item?id=45395957

I made a public living room and the internet keeps putting weirder stuff in it
https://www.theroom.lol
https://news.ycombinator.com/item?id=45398005

Learn to play Go
https://online-go.com/learn-to-play-go
https://news.ycombinator.com/item?id=45400376

Handy – Free open-source speech-to-text app written in Rust
https://handy.computer/
https://news.ycombinator.com/item?id=45399106

Python developers are embracing type hints
https://pyrefly.org/blog/why-typed-python/
https://news.ycombinator.com/item?id=45358841

High-power microwave defeats drone swarm
https://www.epirusinc.com/press-releases/epirus-leonidas-high-power-microwave-defeats-49-drone-swarm-100-of-drones-flown-at-live-fire-demonstration
https://news.ycombinator.com/item?id=45399863