# The Codename One Game Builder: Draw The Level, Code The Rules

DevFeed: [The Codename One Game Builder: Draw The Level, Code The Rules](<https://devfeed.tech/articles/the-codename-one-game-builder-draw-the-level-code-the-rules-19554.md>)

Original publisher: [Read original article](<https://www.codenameone.com/blog/the-codename-one-game-builder/>)

Author: Shai Almog

Published: 2026-06-23T00:00:00Z

Content type: tutorial

Language: en

Sources: [CodeName One](<https://devfeed.tech/sources/codename-one.md>)

Topics: [Code](<https://devfeed.tech/topics/code.md>), [3D](<https://devfeed.tech/topics/3d.md>), [API](<https://devfeed.tech/topics/api.md>), [Java](<https://devfeed.tech/topics/java.md>), [JSON](<https://devfeed.tech/topics/json.md>), [Maven](<https://devfeed.tech/topics/maven.md>)

Tags: [3d](<https://devfeed.tech/tags/3d.md>), [api](<https://devfeed.tech/tags/api.md>), [code](<https://devfeed.tech/tags/code.md>), [data](<https://devfeed.tech/tags/data.md>), [gaming](<https://devfeed.tech/tags/gaming.md>), [java](<https://devfeed.tech/tags/java.md>), [json](<https://devfeed.tech/tags/json.md>), [project](<https://devfeed.tech/tags/project.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

This orientation introduces the Codename One Game Builder, a visual level editor that saves plain-data .game files for runtime loading. It covers the editor's panels, Java 17 and Maven requirements, and its support for 2D, board, and 3D game modes.

## Source excerpt

A visual level editor for the Codename One gaming API that saves a plain-data .game file the runtime plays, across 2D, isometric board, and 3D modes, plus a streaming engine for large open worlds.