MiniScript is a new scripting language designed especially for use with Unity. It's easy to learn, simple to embed, and runs fast. It also has great features for games, like low-overhead multithreading.
Find MiniScript in the Unity Asset Store, or join us on the forum!
Check out the following documents for a 1-page quick reference, and a detailed manual:
You can also see our integration test suite, as a source of more examples.