The search results for "neoncode-installation-tutorial" point toward two main possibilities. 🎮 Interpretation 1: NeonCode (The Game)
A serverless PostgreSQL database often used with Node.js. Neon-rs: A library for embedding Rust in Node.js.
"Neon" is frequently used for several high-profile coding tools. You might be referring to:
Exploring a retro-future city, solving puzzles, and completing a story.
Download the ZIP file from Itch.io , extract the folder, and run the .exe (Windows) or executable file (Linux).

