This season use some of the game mechanics from the Secret Story franchise, based on the original French version.
On the eleventh week, a mission was given to Rike to change all housemates' hair colour but still this didn't count as a secret.
On Day 71 the secret of Edberi & Vigani was revealed to all the housemates currently in the house and since then they've played the game separately.
After two weeks the show had started there were rumors that two of the housemates: Anaidi and Joana were in a relationship out the house and that they knew each other.
[1] However, in an exclusive interview for Bluetooth Magazine, Rezart Aga, the producer of the show said that the housemates were picked carefully and there are no acquaintances between them.
[3] The fans claimed that Osmani herself told that Rike already knew the secrets making this story a lot more controversial.
[4] Moving to the new formula, this year Big Brother received mainly negative reviews.
There were also rumors that the following year the production had decided to switch back to the previous and basic format of the show with a reduced number of housemates.