Fences is a tile-laying game in which you are a farmer trying to build fields for your animals. Each turn, the players place field tiles one at a time. There are pastures for cows, meadows for sheep, and mud holes for pigs. The farms grow with each tile and, after many tiles have been played, are closed in completely by fences. You are trying to collect as many animals as you can in farms which you own.
The players earn points by building barns in fields to claim ownership of a farm. Every animal enclosed is worth points. Players can also score points for closing fields they don't own. This can be used to prevent your opponent from scoring more points, or to outscore them.
Careful though, you can only afford to maintain a limited number of farms. Players can use their tiles to close opponents' farms to score bonus points, or expand their farms into wide open expanses. Any unclosed farms at the end of the game scores zero points.
The player with the most points at the end of the game is the most successful farmer. May the best farmer win!