Mystery Ghost Symbol. Download the LeoVegas mobile app After you have taken up the cause of Ghost Castle, you will be ready to experience all of this game's ghoulish delights. Steel your nerves for a Haunted House. Halloween is a perfect time for immersing yourself in ghoulish ghosts and the terrifying undead. All the expected guests have arrived - Mummies, Frankensteins, Jack-o-Lanterns, ghosts and ghouls along with Witch Scatters, Wilds and Free Spins. Find them. . Ghost Glyph. Ghost Glyph Slot The Ghost Glyph is a symbol that appears after a winning tumble. The Mystery symbol will appear randomly, transforming into other symbols. LeoVegas · Sloty Casino · [HOST] · Genesis Casino. This ghoulish feature can aid in getting you winning. You can play The Ghost Pirates at online casinos such as Leo Vegas. The Ghost Pirates is a 5 Reel, Pay-line Video Slot from Net Entertainment.