Developer writes 8,400-line tower-defense game with Claude Code in five days
10/29/2026 — 10/29, 12:19·1 sources (all)·1 reports (all)
Key takeaways
- A developer used Claude Code to write all 8,400 lines of a portrait tower-defense game in five days;
- the game now runs on iPhone. Instead of coding features on day one, he had the AI ask four questions, surface platform constraints, and buil…
Background & analysis
On October 29, 2026, a developer posted on Juejin about building a vertical-screen tower defense game entirely with Claude Code. The project, which came to 8400 lines of code written by Claude Code over five days of work, is already running inside WeChat on an iPhone. According to the post, the developer did not start on gameplay features on the first day. Instead, they had the AI pose four questions first, surface the constraints of the target platform, and set up a self-check tooling suite before any feature work began. This is the only report available so far, so there is no further information to confirm on how the project progressed afterward.
AI-generated from 1 reports · updated 13 hours ago
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A developer built a portrait tower-defense mini game entirely with Claude Code — 8,400 lines over five days, now running inside WeChat on iPhone. On day one he skipped features and first had the AI raise four questions, surface platform constraints, and build self-check tooling.
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