As a more modern example, you could look at Scribblenauts Unlimited, which also has a component system and some fairly deep and general logical systems. There's

As a more modern example, you could look at Scribblenauts Unlimited, which also has a component system and some fairly deep and general logical systems. There's an item editor, which exposes all of the underlying interaction logic and component interfaces, and also does some interesting things with sprite generation.