Big Farm is an awesome multiplayer farm management game made by the Goodgame Studios.
Goodgame Big Farm gives you everything to build your own Farm, and to maintain a solid chain of production. Plant crops, produce food, feed your animals, sell your products, and become the world’s best farmer! Dominate other farmers in exciting PvP missions, or team up with your friends and create huge cooperatives, but always plan your production carefully and never forget: Farm business can be serious business!
The game is totally free-to-play!