Co-op spin off 2.0: two people get drawn together and have to choose a song together, voting will be count together as well
Paradise Lost - after a pretty dismal summer for us all, let's have one last summer party! Send your top summer hits for any year.
Gibberish - send a song with a sung chorus or hook that doesn't have words (e.g. Eiffel 65 - Blue (Da Ba De))
Hot Boys: Send a Song with Boys in Music Videos, that shows a lot of bare skins.
Gay Love: Send a Song that celebrates homosexual love.
Arabvision: Choose a country from the Arab world, send a song in Arabic language from that country. See eligible countries: https://en.wikipedia.org/wiki/Arab_League
non-UN recognized countries spin-off: send a song from an artist/group within a self-governing, autonomous region not recognized by global standards i.e. Artsakh Republic, Northern Cyprus (TRNC), Kurdistan, Donetsk, Yanbian Prefecture, Somaliland etc.
Denim on Denim: Early 2000's pop edition
Legendary Diva-Off: Spin off full of the most iconic, legendary female artists
Blondes Parade. Send song sung by blonde singer at the moment song was released (you cannot send old Miley Cyrus songs for example). If this is an artistic image where the artist is blonde for this song, the entry is eligible.
Blind Choice Select a country, after the selection is made, one of the remaining suggestions is selected by drawing lots and you cannot change your country. (Further explanation (Thanks @Amir): You pick your country then the suggestion that ends up on 2nd place in the final poll will be the actual theme. You cannot change your country)