LBA2 IdaJS

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About

Little Big Adventure 2 (also known as Twinsen's Odyssey) is a 1997 adventure game developed by Adeline Software International and published by Electronic Arts, the sequel to Little Big Adventure. IdaJS is a JavaScript scripting layer built on top of the LBA2 Ida Edition engine source, combined with a separate 'Ida Core' engine that provides the underlying V8 JavaScript integration and scripting API. It lets creators script gameplay, extend mechanics, and build new stories or mods within the LBA2 engine using a modern high-level language rather than the original assembly/C++ codebase.

How it differs from the original

Unlike the original game, IdaJS opens the engine to scripted modding — creators can write new gameplay, mechanics, and stories in JavaScript on top of the existing LBA2 engine rather than only playing the fixed original content.

Getting started

Getting started is covered by a video tutorial and a quick-start guide linked from the project's website; released builds are published on the project's GitHub releases page.

Requires original assets. Requires a legitimate copy of LBA2 (GOG, Steam, or itch.io) to provide the game assets.

Media

Licensing & legal

The Google V8 libraries IdaJS depends on are open-source but not GPLv2-compatible, so they're excluded from the repository itself and must be supplied separately.