Free Gemstone Jackpot Slot Machine

Theme

This online slot is based on gemstone theme. Colorful and vibrant stones are found strewn across the reels and in order to win decent payouts, you have to hit them off in right order. Visuals of gemstones on the reels are quite common in online slots developed by leading developers and Novomatic is no different. This gaming company is an ace among its competitors and continues to produce slots of this nature.

How to play free online slot

The symbols are highly rewarding. To strike a payoff, it is very important to hit three identical icons. The icons should generate a continuous chain on any active betline, starting from left to right. Whatever symbols are used here, they are images of gemstones in varying colors. Mainly there are 7 kinds of symbols, without any wilds and scatters.

Lock and Spin Feature

Lock and Spin button is an extraordinary function that gets triggered off when at least one paid combination is created. The previous symbols are locked inside the grid and held within its spaces, on the other hand, the newer symbols are held at different positions. In this round, the repeated spin is absolutely free for the gaming enthusiast. Now, if the new icons of similar kinds get hooked up with older ones to form new combinations, the feature is triggered once again.

Bonus rounds

There are no other special rounds or bonuses in this slot, except Lock and Spin function. Generally, free spins are not allowed here. So to generate superb wins, you have only option and that is Lock and Spin round.

Pros

• Alluring Lock and Spin feature helps you win attractively decent payouts in a single round.
• Easy to play interface
• Convenient control panel

Cons

• Simple graphics, nothing spectacular.