The Sea Shell Unicorn is a limited edition animal on FarmVille. It was originally released on the May 14th, 2012 as part of Mystery Game 102, as a rare prize. It was re-released on May 13th, 2013 as rare reward in Mystery Game 153. It was re-released again on October 31st, 2013 as a reward in Mystery Game 182. It was re-released again on November 4th, 2013 as a reward in Mystery Game 186. It was re-released again on November 10th, 2013 as a reward in Mystery Game 191. It was re-released again on November 10th, 2013 as a reward in Mystery Game 191.