The Vault Slot Machine

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The Vault demo
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Return to player Min bet size Game type Variance Reels Progressive Jackpot
96% 0.20 Video Slots High 5 No
Popularity Max bet size Game provider Bonus Features Paylines Theme
44 Microgaming Yes 20 Diamonds

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The Vault online slot game

The Vault online slot offers fun 3D and animated gameplay on transparent reels. The highest paying 5-symbol combination pays out an impressive 100x the spin bet. You will be spinning the reels with wilds, re-spins, and a free spins game with a wild reel, multipliers, and free spins re-triggers.

Theme and Story Line

The Vault online slot is themed on a great diamond heist where you will need to spin the reels to unlock the vault full of jewels and gold bars. 

Graphics, Sounds, and Animations

There is a mobile-first design with easy touch game controls. The slot has a modern design with transparent reels that reveal the vault in the background. Expect modern 3D graphics, animations, and entertaining audio. Sound, effects, and music can all be controlled via the settings menu. 

The Vault 1

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Microgaming’s The Vault video slot has 5 reels, 20 pay lines, and 3 rows. All wins come via regular symbol combinations linking up on the reels during the base game, free spins bonus, or re-spins feature. Combinations must line up from left to right on reels 1-2-3, 1-2-3-4, and 1-2-3-4-5. 

The highest paying symbol combination is 5 Wild symbols, 5 pink diamond symbols, or a mix of both. Expect to be paid 100x, 12.5x, or 2.5x your spin bet when 5, 4, or 3 line up on a pay line. The wild symbol will also substitute for all 9 regular symbols which are a mix of gems, gold, and playing card symbols. There are 30 possible symbol combinations and 24 of them will pay back between 100x and 1x your spin bet. 

Game controls available are auto spin, manual spins, and lightning spins. You also have a paytable option, and if you change your bet amounts, combination payouts will change dynamically. All wins displayed here are multipliers of the spin bet.

The Vault 2

Bonuses and Free Spins

Respins: 2 bonus symbols trigger a re-spin with the bonus symbols still in place. Each time a new bonus symbol lands on the reels, a new re-spin will be awarded and stick on the reels.

Vault Bonus Feature: 5 bonus symbols trigger 10 free spins. All wins during the bonus game are tripled. If you land the 1 symbol, you will receive a free spin and a x1 Multiplier symbol landing on the reels adds a x1 multiplier. The centre reel will be a wild reel for all 10 free spins.

Bet sizes, RTP and Variance

Set your bets using the large casino chip which opens up a list of cash values. Chose between 0.20 and 44.00 per spin. This slot will give you an RTP of 96% in the long run, and it is a high variance slot games because most of the wins will come via the free spins bonus which will take time to trigger which relies heavily on the re-spins feature.


The Vault video slot was designed by Snowborn Games exclusively for Microgaming. It has a vault heist theme with excellent 3D and animated graphics. Symbol combination payouts are reasonably generous. Most notably the mix combination of the wild and diamond symbols landing 5 times on a pay line which pays a huge 100x the spin bet - this is high for a combination win by any slot’s standards. Aside from this, the gameplay is pretty standard as is the RTP. You have a free spins game with multiplier symbols, free spins symbols, and a wild reel to help accumulate your biggest wins on this slot game while you will also top up with more wins via the re-spins feature.

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