Regarding my 2 deposits, they were made to the same address. They were separate transactions and I'm wondering if I should have gotten 20 free spins, because I only got 10 from both of those 2 deposits.
There are only 2 possible causes of that.
1) Your second deposit arrived after the 48 hr period had ended.
2) You made 2 withdrawals from another service and they sensibly saved themself some fees by combing them into one transaction making it one deposit to us.