To call this merely a game is an insult. It's more like a sailing simulator, with built-in opposition!
First, choose your course, by reference to the printed chart. Then learn to sail! You start with control of the rudder, learning how to use the wind. Next, you learn to manage the boat, and when you cope with all three simultaneously, you've arrived! You don't have to do it all at once. You can compete against Black Streak using only the rudder if you choose.
There are a number of courses. You can select the number of laps. A constantly updated map shows your location. A 3D animated view over the front of the boat shows the opposition, the lake, shoreline and surrounding features, and market buoys. On-screen displays show speed, wind, direction and heel.
Rather magnificent, with excellent manual and automatic save to Microdrive. Criticisms? It's difficult to distinguish the edge of the shore sometimes, and switchin between map and view is a little slow. Generally however, first class quality.