For AmigaOS 3.x with CGX/P96, AmigaOS 4.x

Description:

Inga stands for Inutilis Graphic Adventure and it is an engine for adventure games like Monkey Island 3. Additional to the engine there are some development tools, which are very easy to learn. You don't need any knowledge in programming. So this software package is suitable for everyone, who wants to create own adventure games.
Homepage and download here.