Yes. Before the Gaming Duty tax came in, free bingo games were offered as a way to entice customers to sign up and there were tons of no deposit bingo offers. When the tax came in, it meant that operators had to pay tax as though the games given away were real money. And we all know that operators don't like paying tax which is why so many of them scrapped the freebies as they were costing them money. There are still however a number of no deposit bingo offers and you can check them out here.