With 81 pay lines you will win huge prizes at the Hot81 slot made by Amatic. In our online casino you can enjoy the best slotmachines for free on your mobile or tablet devices with iOS or Android. Enjoy the awesome wild symbols which will help you by substituting for other symbols. Try to aim 5 identical symbols across 1 of your 81 pay lines. Prizes will pay out from the left side to the right side of the Hot81 slotmachine.