Open periods are the times when RuneScape Classic is temporarily re-opened. Since 11 November 2009 they were planned to occur every half year, but the open period in June 2010 was the last one to follow this pattern, as the re-opening planned for the beginning of 2011 was skipped. Each open period lasted two weeks and required a player to be a member to login to Classic. After "classic-enabling" their account, players are allowed an indefinite amount of logins to Classic, but are still required to be a member to play.