Play the new John Hunter and Aztec Treasure slot from Pragmatic in online casino. John Hunter and Aztec Treasure has a theoretical return to player of 96.5%. The Book of Mystery symbol is the bonus scatter – if you get 3 or more anywhere on the reels, you will activate the Free Spins feature. When you enter the game a default bet is set. You can change the bet by clicking on the + and – buttons next to the SPIN button. The TOTAL BET is maximum lines multiplied by the bet per line. The SPIN button in the lower right corner starts the game. Click the I button in the bottom left corner to open the ingame rules.