Golden Grimoire, a video slot from NetEnt, has an attractive game with 5 reels, 4 rows and 40 win lines. Golden Grimoire has several possibilities on the reels to make the big winning combinations. There are a Mystery feature, Wilds, Scatters, Free Spins, a Sticky Mystery symbol and they will help you to win the big prizes. The Wild in this game has the power to substitute all other symbols except the Scatters. The Golden Key Hole is the Scatter, try to land 3 Scatters and than you will start the Free Spin feature. During the Free Spin rounds the Mystery symbol, an Ancient Spell Book, is replaced with a Sticky Mystery symbol. The Mystery symbol choose a random icon, and all mystery symbols will reveal in the chosen symbol. When the Golden Grimoire opens the leaves you will start a Mystery symbol feature. Reasons enough to try this amazing game for free or with real money online.