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Holy Diver

Big Time Gaming
RTP 96.39%
Play Big Time Gaming Slots
Reels 6
Paylines 586789
Min bet size 0.1 Euros
Max bet size 20 Euros
RTP 96.5
Wild symbols Yes
Free spins Yes
Bonus Yes

Holy Diver Slot Review

The Holy Diver slots game can be found at casinos using Big Time Gaming software. Big Time Gaming is one of the newer software developers in the online gaming market. Alongside many of the smaller casino software providers Big Time Gaming focus exclusively on Slot Games. The company was founded by two individuals who reportedly were involved in the early days of New Tech Media that (via various sales and takeovers) ended up being part of OpenBet. Big Time Gaming publish the slots house edge information of all their games as standard. As such we can say that the House Edge of Holy Diver is between 3.46% and 3.61%.

Holy Diver is a 6 reel slots game, with each reel varying in size. The number of Megaways available will depend entirely on the number of symbols that are used to make up each of the reels, something that changes every time you spin them. Each reel can contain up to 7 symbols and every time you progress up a level, the number of potential Megaways will increase. At Level 1 there are 117, 649 Megaways available; at Level 2 there are 396, 900 Megaways available; at Level 3 there are 586, 971 Megaways available. Win are awarded in combinations of 2 identical symbols, from left to right in consecutive reels.

Special Symbols

Wild – The Wild symbol will substitute for all other symbols.

Purple Gem – The Purple Gem is the game’s most valuable symbol. 2 or more as part of a winning combination will return the bet; 3 will double it; 4 will award you with 3 times the bet; 5 will award you with 3.5 times the bet; 6 will award you with 15 times the bet.

Bonus Features

Levels/Free Spins – To the left of the reels is a shield with spaces for 4 different gems. When you reveal a gem from the chest it will be added to the shield. When you have filled the shield with the 4 different gem stones you have the choice to either level up or take the Free Spins that are available. Once you have reached level 3 you can only take Free Spins.

Chests – Along the bottom of the reels a knight walks to the right every time you spin them. Occasionally a chest will appear that he opens. Every time he does so one of the following random features will be triggered on reels 2 to 5:

Standard Symbol Bonus – A Standard symbol (9, 10, J, Q, K or A) will be added to a reel that is then converted into a Wild symbol.

Sword Bonus – When this is triggered up to 3 full reels of Wilds are added, each with a multiplier that can reach up to x7 the bet.

Fireball Bonus – When this feature is triggered up to 4 Wilds, one per reel, can be added to the reels.

Gem Symbol Bonus – When this feature is triggered, one or more Gem symbols will be added to reels and then converted into a Wild. If you are on Level 1 you will receive no multiplier. If you are on Level 2 the symbol comes with a x2 Multiplier. If you are on Level 3 the symbol comes with a x3 multiplier.

Free Spins – If you trigger the Free Spins feature then you will be awarded 10 Free Spins. During the Free Spins every gem that lands on reels 2-5 will turn Wild and depending on what Level you are on will come with a multiplier. If you are on Level 1 there will be no multiplier. If you are on Level 2 the Wilds will come with a x2 multiplier. If you are on Level 3 the Wilds will come with a x3 multiplier.

Diamond Re-Trigger – During the Free Spins your Knight can collect diamonds. Your first 4 diamonds gives you an additional spin each, with the 5th diamond awarding 8 additional spins and a re-trigger. A re-trigger will increase the number of symbols per reel.


Holy Diver takes its influences from an unusual source. In 1983, the diminutive Scot, Ronnie James Dio stepped out of the shadows of Ritchie Blackmore’s Rainbow to apply this soaring vocals in a band that put him at centre stage. The first album that Dio released was called Holy Diver and like much of the power metal at the time fantasy was central to everything the band released. The album was critically acclaimed and is considered by many to be Dio’s finest work. Yet, outside of the fans of that particular genre of heavy metal, you’d be hard pushed to find too many who would find the connection. If you want to unleash the might of power chords and Dio’s ferocious vibrato then you need to trigger the Free Spins. This is your only chance to hear the song that the game is named after. The game is jam packed with features. The addition of the knight at the bottom of the reels adds something to every spin and alleviates any boredom that could otherwise set in. The game also looks good, although it can’t quite match the level of some of the industry’s big boys. The house edge is reasonable, meaning that, all things considered, this is a game we would recommend you play.

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