Canada uses computer viruses to disable America's defenses and invades the US. In this turn based strategy game, you must repel the Canadian invaders. The collectible card game (CCG) mechanics let you use special forces, computer hackers, insurgents, spies and tanks to maneuver on a hex based map.
Note: This is a purely hypothetical scenario designed to explore the ramifications of cyber-warfare. Canada and the US are lucky to have each other as neighbors. From a war-gaming perspective, however, Canada makes a really great antagonist because it has: 1) a high tech economy, 2) a modern, professional military and 3) a long, undefended border with the US.