"Big Farm" is a point-and-click browser game in which the player is tasked with maintaining a farm. The goal of the game is to have the player look after the plants and animals of her farm, as well as expand it. In addition, players can sell the crops they harvest.
Players can maintain several types of farms while playing "Big Farm," including a flower farm, island farm and the main farm that is given to the player at the start of the game. In addition to the maintenance and expansion of a farm, the player can also participate in multiplayer missions in which she can compete against other farmers in the game or cooperate with them to achieve a difficult task. Competitive multiplayer missions are known as harvest missions. Throughout the 30-minute time limit assigned to each mission, the player is tasked with harvesting most of a specific crop.
In cooperative missions, each player is tasked with a specific duty. Using a chat room, the players must divided the work between themselves and communicate well in order to complete the mission successfully. "Big Farm" is a browser game and it does not require a download, but a player must register before she is allowed to play.