I had a mail from Challenge casino that my first deposit would be trippled. In chat I asked about it and it was confirmed (by Nora), the bonus would be credited in 20 minutes. But that did not happen after depositing. In chat an other operator (Suzie) made all excuses about mixed offers, the 200% was not granted, she made it look like it was my mistake. I had to make a new deposit to receive a poor 25% bonus. So that left me with nothing, despite the promise they made at first.