To celebrate this success with the BIG FARM community, today BIG FARM: Mobile Harvest will launch their ‘Big Farm Forest’ Charity event, where players can collect tree saplings on their farm while doing their daily farm quests and tasks.. BIRTHDAY WEEK Big Farm: Mobile Harvest is celebrating its FIRST birthday on October 26. And of course, we want to celebrate this special occasion with you. Starting October 22, we will be launching a week full of challenges and celebrations on Facebook. So, stay tuned !. Big Farm: Mobile Harvest. 146,914 likes. "Your new farm everywhere" Plant, harvest and crop your fields and take care of your cuddly animals. Prove your "Your new farm everywhere" Plant, harvest and crop your fields and take care of your cuddly animals.. Big Farm is an online farming game where you can build a farm that everyone will envy. Plant, harvest, and trade goods to help your dream farm thrive!. Big Farm: Mobile Harvest is a game with real challenges that make you become a real farmer when you are doing all the daily farm works. Becoming a real farmer: You are offered some money and land to start the cultivation.. Ever since discovering Big Farm: Mobile Harvest a short while ago, I couldn’t stop playing. Goodgame’s title is slightly different than other farming games and makes me remember the good ol’ days of playing FarmVille on Facebook..