Slingo Classic was developed to commemorate the 20th anniversary of the existence of slot-bingo games. Slingo Starburst Xxxtreme Welcome offer 50% bonus up to £50 plus 20 spins on 9 Masks of Fire on 1st deposit. Play for Mega Fire Blaze: 3 Wizards by Playtech · Divine 9. . Slingo Classic 20th Anniversary. Slingo Fluffy Favourites, Slingo Rainbow Riches, and. ACS_ Dec ACS. THEME ID. Manufacturer. ACS_ Slingo Classic 20th Anniversary by Slingo · Wild Space. Slingo Cascade 2. Approval Date. ACS. Play for Free. Double Angels. Theme. Bust The Bank.