Rainbow Bingo has been cancelled for 2019 Due to a reinterpretation of the Gambling rules & laws regarding Rainbow Bingo, we have cancelled our last 2 Rainbow Bingo events for 2019 on October 26th and November 30th. Apr 10, 2018 Rainbow Bingo Adventure is an exciting new free bingo game for you to enjoy! Place your daubs as numbers are called. Mark your bingo card and complete rows to earn bingos and many other prizes! Collect special powerups to earn even more! Collect picture tokens to pop open beautiful HD images and reveal them within the gallery.