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