Can you change the design of pre-existing interactive learning tools like the Millionaire game?

If you are on Captivate 9, there is a Millionaire game downloadable from the Free eLearning assets tab. That one can be customized.

Just what has been provided when defining the properties. Source code is not available.

You can try to design your own games...

Concentration Game - created exclusively with Captivate - Captivate blog

Matchstick Game - shared actions - Captivate blog