RustMS 🍁

RustMS is an attempt at implementing the Maplestory server end from scratch in Rust.

It’s very work-in-progress and really only barely off the ground at this point, but it’s been a fun evening/weekend side project so far!

Update: 2026

This project was abandoned a few months after I initially started it, but I’ve revisited it now (2026/03) after feeling an itch to vibe code/explore Codex while I’m on vacation and away from work-work. The initial purpose of this project was to learn Rust, but it doesn’t look like I’m doing a whole lot of that in this revisit; instead, I’m exploring how I can vibe code more sustainably (and also get a feel for ecosystems outside of Claude Code).

The first thing that came to me is that I need to build some test-rails to guide implementation, hence I “built” an integration harness and also moved the entire HeavenClient project into the repository so that I can do manual verification as well.

Motivation

The motivation behind this project is two-fold:

When I started this project, I knew next to no Rust, however I was quite interested in learning it due to a general interest that I’ve always had in lower level languages. I’ve…