Line Rider is a unique physics-based game. Though polish cannot be said to be among its virtues, it’s one of those very simple but strangely enjoyable Web games that seem to be popular nowadays. It’s basically an application of your knowledge of physical laws to a stick-figure character on a sled. The idea is to see how far you can make him go by creating a track that will keep him going without making him crash. Line Rider has a rudimentary interface and even plainer graphics, but in this case, brains is more important than beauty. It’s a great idea for a game, although the reviewer feels that the price is a bit high for a title in this category.