Do you know any betting site that gives signup reward without a deposit?

Bangbet is the only betting site that I have enjoyed it’s signup reward bonus of N150. Even though that the N150 was little amount but I used it to win up to N4000 and since then I have not seen another gambling site that offer signup bonus without making a deposit.
Even though I no longer gamble with my own money, I’m still open to gambling with free money.