Client: Age of Empires
This is a common example of where two Flash units are running on the same site and communicating with each other (often referred to as a "Roadblock"). This was built utilizing Eyeblaster's Synchronization Component, which allows the SWFs to "talk" to each other and synch up. Also, check out the nifty vector fire effect!
Launch. (may take a moment to load depending on your connection... please be pacient)