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