Join the beautiful explorer in the mystery adventure chasing the alluring and magical crystal skulls. CRYSTAL MYSTERY is a 10 pay line slot game ready to provide you with big wins in this intriguing game. 3, 4 or 5 scattered CRYSTAL SKULL symbols trigger the bonus feature awarding 10 free spins wherein the bonus screen, the time-gate determines your mystery symbol. During the free spins if the mystery symbol lands anywhere on the reels in a winning combination it expands and turns the entire reel into the selected symbol. For a bunch of additional free spins, simply land the same scatters one more time while the bonus round plays out! A world of Aztec treasures awaits in CRYSTAL MYSTERY, where the coveted CRYSTAL SKULL is your ticket to the big time! Explore the depths of the mysterious Aztec jungle on your quest to find the forgotten temple, avoiding aggressive tribes and hidden dangers along the way! Immerse yourself in a world of ancient fantasy, carving your way through the wilderness to the untold riches beyond! Bursting with beautiful visuals and a stunning soundtrack, CRYSTAL MYSTERY is the all-around experience for intrepid adventurers and thrill-seekers! As always, CRYSTAL MYSTERY can be played free of charge with no registration required! Alternatively, why not spice things up with a wager or two and make your way towards that elusive pay-table? With free spins and generous multiplier to play for, CRYSTAL MYSTERY delivers the adventure of a lifetime for the more daring adventurer!