Cthulhu Slot Review

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Graphics - 53%

Gameplay - 36%

Bonuses - 62%

Value - 22%

Whizz hot?

  • Original theme
  • Free Spins with Sticky Wilds
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Whats not so hot?

  • Low 95.42% RTP
  • Only one bonus round
  • Low variance is not suitable for casual players

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Game information













Cthulhu is a Yggdrasil and Gluck Games video slot with 10 paylines and a 5×3 grid.

Yggdrasil and its partnership studio focus on the ‘lighter’ side of gaming here. That’s us being sarcastic for obvious reasons. Before we press on with the slot review of Cthulhu. What’s up with the theme? In other words, who is Cthulhu?

Cthulhu is one of H.P. Lovecraft’s iconic creations. It’s about a giant octopus with massive tentacles. Lovecraft describes it as a mixture of monster, human, and part dragon. The scary creature dwells beneath the ocean depths in the city of R’lyeh.

Cthulhu lures you into its murky depths with Free Spins and Sticky Wilds.

Despite the low volatility the hit frequency of 15.67% sticks in our craw. Slot players will receive a payout on every 6th spin.

The jackpot is 2,000x ($40,000) which won’t appeal to jackpot hunters.

You can play Cthulhu from $0.20 up to $20 at the best online Australian casinos that pay out fast.

Cthulhu slot by yggdrasil


Unfortunately, Cthulhu’s RTP is 95.42%. That’s more than 0.5% below the industry average.

The low volatility is particularly bad in this context. That’s because the jackpot does not compensate for the low RTP.



The visuals, on the other hand, are outstanding. If you’re a fan of the Cthulhu universe. You’ll fall in love with all the symbols and the high-end graphics.

The low-value symbols are card suits. And, the high pays show five brave adventurers. The roles of our brave adventures include the likes of wizards, knights, and sailors.

The symbols offer payouts of up to 50x your bet for a full line of 5. Treasure Chest Wilds can land anywhere on the field, too.

These symbols don’t do anything too exciting, but they can sub for adjacent symbols to complete winning combos.

Cthulhu slot by yggdrasil

Bonus Rounds Cthulhu Slot

Free Spins with Sticky Wilds

The main and only bonus round of Cthulhu is the Free Spins Feature. Once you find 3 Scatters in a single spin. You’ll trigger the Craze of Cthulhu Feature that awards you 10 free spins.

This is where you’ll be able to fight Cthulhu’s minions and get good wins while doing so.

Whenever you land an adventurer symbol it fights on your side. It transforms into a Sticky Wild. Moreover, the Wild subs symbols adjacent to it stay on the reels until the bonus round ends.

You can land more Scatters too. If you get 3 again, you’ll add 10 bonus free spins to your total tally. Now, when a scatter lands on a position that’s occupied by a Sticky Wild. That position will be both a Scatter and a Wild for that spin.

Cthulhu slot by yggdrasil

Cthulhu Tips & Strategy

We didn’t receive any big wins, but that’s because the winning potential is low overall.

The atmosphere is top-notch! Especially, if you’ve had a chance to mingle with the Cthulhu universe before.

However, it’s less than ideal when you play the slots with money. Even though the designers coat the free spins with Sticky Wilds. The wilds stick to the reels on each free spin for the big wins.

That’s on paper at least. Even with free credits, we couldn’t trigger the free spins within 100 spins. That’s the type of volatility you can expect.



We must commend Yggdrasil and in particular Gluck Games with this adventurous slot. It’s a novel theme that will catch the interest of many players.

The visuals of the slot combine all the elements of the theme well. It whisks you off to the slimy depths of the monster Cthulhu.

Unfortunately, there is absolutely nothing positive about the gameplay. The RTP and the small jackpot drag the slot down. Despite the studios’ best effort in the free spins with the sticky wilds.

Cthulhu doesn’t accomplish much. Then again slotters familiar with the theme might like it.

Circling back to a more regular theme. We suggest the excellent Links of Ra from Microgaming and Slingshot Studios. You can win big thanks to Power Stacks, Link and Win, and Free Spins.

The jackpot on offer is 25,000x and the hit frequency is 29.33%.

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