The Mystery Bonus of Slotland Casino is interesting. Just keep a watch on the monthly newsletter of the casino for the slot. Visit the casino and spin that slot. You will get the email with the bonus code and the guidelines to claim the bonus. You can use the bonus during the first seven days of the next month.
You can claim a bonus of up to 100% every month. There is a VIP Mystery Bonus of 150% which can be claimed every month.
The bonus has wagering requirements of X10 and you must complete it before withdrawing the generated funds. The bonus should be claimed during the first seven days of the month otherwise the bonus will expire. You will need to use the bonus code before making the deposit.
