Board Thread:Newbie Questions/@comment-26243964-20150623203323/@comment-779290-20150624040722

If you are talking about the island minigames, like the UFO one currently underway; I think SocialPoint intends it to be impossible without spending gems which you can buy with real $. It is part of their business plan. The dragons in these events are usually exclusive, so they are not breedable. If you are intersted in a particular dragon, you can look it up on this wiki.