<P> The game introduced a daily challenge feature in January 27, 2012; which sets a certain goal for the player to achieve, rewarding him or her with more in - game currency . Also with a new update for the mobile version of BTD5, a new tower was added called the "Monkey Sub". The submarine was later added to the online version in July 23, 2015 . </P> <P> The iOS, Android and Steam versions have 15 languages: English, Arabic, Danish, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Russian, Spanish, Swedish, Turkish . On March 3rd, 2017 it was released for Microsoft's Xbox One, later releasing for PlayStation 4 on May 9th, 2017 and Nintendo Switch on June 13th, 2018, all of which cost $14.99 USD . </P> <P> Bloons TD 6 is the newest game in the Bloons series . After being announced on March 28, 2017 on PRLog, it was released for the iOS App Store and the Google Play Store on June 14, 2018 . </P> <P> New Features in BTD 6 include: </P>

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