Developer ports Slay the Spire 2 to the web with AI and open-sources it
10/03/2026 — 10/04, 00:11·1 sources·1 reports
Story overview
On October 3, 2026, a developer posted on V2EX saying they had used AI to port Slay the Spire 2 to the web over China's National Day holiday. The project is open source on GitHub and can be played directly in a browser; the post includes an online play link at https://sts2.moonrailgun.com/ and a demo video.
The developer said they are a long-time, deep fan of Slay the Spire and had been thinking about a web version for a while. Slay the Spire 2 already had plenty of mobile ports, they noted, but no web version, so they spent the holiday trying it themselves. They described AI as very strong at this kind of work and said they had previously seen people in the community use AI to reverse-engineer older titles such as Red Alert and Warcraft.
The main difficulty, according to the post, was asset size: the web has very strict limits on how large resources can be, while the game itself is over 1 GB, so the port has to balance quality against speed. The developer compared the result to the lightweight "micro-client" programs of earlier eras, and said the process was interesting and taught them a lot.
The post does not name the AI tools or models used, nor does it say how complete the port is. It is the only report on the project so far.
AI-generated from 1 reports · updated 30 minutes ago
Latest turnA developer used AI to port Slay the Spire 2 to the browser over a holiday break, and the project is open-sourced on GitHub with an online build ready to play. The main challenge was keeping the web version small, since the original game ships more than 1 GB of assets.
Reports on this story headlines open the original
A developer used AI to port Slay the Spire 2 to the browser over a holiday break, and the project is open-sourced on GitHub with an online build ready to play. The main challenge was keeping the web version small, since the original game ships more than 1 GB of assets.
V2EXAI score 62
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