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Jewel Action

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Jewel Action is a different kind of slot machine made by Novomatic's sub company Astra. The first thing you will see when you load this game is that is a 3x3 reel slot machine with 10 paylines. This is not a very common reel setup, but it's featured in a few other slots like for example Play'n GO's Eye of the Kraken. Jewel Action feature a mystery chest prize and a gem streak free spin feature that guarantees you several winning combinations. Both the mystery chest prize and the gem streak info is shown on the right hand side during the base game. The maximal win from a single spin during the base game is 500x the stake, and it's won by filling the entire screen with the stacked king symbols. Both the free spins and the mysterey prize has a maximal win of 500x the stake. The RTP for Jewel Action is at the same level as most other Astra games at only 94.00%. This is low, but better than most landbased payouts.

Game data

Slot name



Release date


Free spins

Bonus game


Jewel Action Greentube / Novomatic 94.00% 2014 10




This slot machine is available on these casino platforms:
Computer and Mac. This game cannot be played on mobile devices.

18+ required - New customers only - BeGambleAware - T&C apply!


Read more about the game features below the screenshot!

Game screenshot

Game features

Let's first of all take a look at the special game play on Jewel Action. This slot has cascading reels, this means that when a winning combination is awarded, the winning symbols will disappear and new symbols will fall down from the top. As long as one or more new winning combinations are made, the symbol drop will continue. It also has paylines that go in all kind of directions, also in the vertical positions which is really unnormal for slot machines.

There are wild symbols on Jewel Action, and these symbols substitute for all other symbols except the chest, the key and the joker. All the normal paying symbols can appear as stacked symbols. There is an interesting joker symbol in play on Jewel Action, this symbol does not substitute for other symbols, but it will clear the entire screen of symbols and generate a new cascade of symbols. There's also a Treasure Chest mystery prize, and a Gem Streak free spin feature where you are guaranteed to win several times.

Gem Streak free spins: This feature is triggered if 3 key symbols appear during the same spin, that means that they can be collected during the cascades. You will see the amount of collected keys on the right hand side of the game. This combination of keys will trigger a random amount of free spins where you are guaranteed to win. As long as you get a full screen of winning combinations, you are guaranteed a new spin. The spins will end when a non-winning spin appears. The minimal win from this feature is 6x the stake, while the maximal win is limited to 500x the stake.

Treasure Chest mystery prize: Even though they have named this feature a mystery bonus, I can't say that it's a bonus game. During each spin in the base game a mystery prize is shown in the upper right corner of the slot machine. This amount will change between different numbers, and it will always be between 50x and 500x the stake. Any combination of 3 scatter chests anywhere on the reels will award the current bonus amount shown within the chest. The prize might be increased if a joker symbol appears together with the 3 chest symbols.

Casino to play at / Provider

Jewel Action is created by Greentube.
Read more about Greentube!

18+ required - New customers only - BeGambleAware - T&C apply!


18+ required - New customers only - BeGambleAware - T&C apply!

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