Dark Vortex

Prepare for an encounter with wretched forces on the slot from Yggdrasil Gaming. The Dark Vortex is taking you to a dystopian netherworld with a win-both-ways mechanic, Vortex reels, a Buy Bonus feature and a free spins round with extra wilds and retriggers. Played on an expanding reel set, you can score wins of up to 7,318 times your bet.

Slot Details

Dark Vortex is a video slot with five reels, three rows and 243 ways to win as default. This can increase up to a 5×5 format with 3,125 ways. Pays are awarded both ways for three to five matching symbols on adjacent reels from left to right and right to left. Available on desktop and mobile devices, you can bet from 0.10 to 50 credits per spin. The game has medium to high volatility with an RTP of 96.50%. Using the Buy Bonus feature will increase it to 97%.

A creepy fantasy world in a distant dystopian future is opening up when you load the game. An abandoned fortress ruled by a multi-eye monster is in the background of heavily animated game window flanked by even creepier stone creatures. Candlelights amid wavering fog and distant sunrays create an eerie atmosphere that is further emphasized by a ghostly soundtrack.

The pay symbols start at the low end with five spellbooks in blue, turquoise, green, purple and red colours, awarding 0.7x to 1.2 your stake for a single five of a kind. They are followed by five monstrous creatures held on tiles that match the colours of the low-value symbols. Hit five across the reels to win 3x to 6x your bet.

An intricate golden icon marked with the word itself is the wild symbol, appearing on reels two to four only and substituting for all regular pay symbols. Red and blue orbs can land on reels one and five as well as 2,3 and 4 respectively during the Vortex feature only, which in turn is triggered by hitting golden Vortex scatters.

Dark Vortex Slot Features

Core to the gameplay are the Vortex scatters as they hold the key to expanding the reels and the features on this slot. Landing minimum two on adjacent reels will trigger the Vortex Reels. They will expand to 5 symbols high, increasing the number of ways to win, and award three Vortex Spins. Any further Vortex scatter landing adjacent will add +2 Vortex Spins to the tally and also expand the respective reel. High-value symbol stacks, more wilds as well as blue and red orbs are added to the reels for the duration of the feature.

Before the start of the Vortex Spins, two red orbs are added to the left meter and five blue orbs to the right meter. Each red orb landing on reel one and/or five in a Vortex Spin will be added to the red collection while each blue orb landing on reels 2, 3 and/or 4 will be added to the blue collection.

The aim of the game is to turn all five reels into Vortex Reels before you run out of Vortex Spins. It will trigger the Vortex Free Spins feature once all Vortex Spins have been played. Each collected blue orb will convert to one free spin, no limits. The round is played on the fully expanded 5×5 reel set with 3,125 ways to win and stacked wilds on reels 2, 3 and 4. The height of the stacks is equal to the number of collected red orbs. Free Spins cannot be retriggered.

The Buy Bonus button on the side of the game window lets you purchase a feature for a fixed cost of 80x your default bet. You will be presented twice with five cards, each set giving you one pick. The first will determine the height of the wild stacks from 2 to 8 while the second will have 5 – 20 Vortex Free Spins hidden.

Final Verdict

Dark and mysterious with the volatility and win potential to match. That about sums up this Yggdrasil creation. There is plenty happening on the reels, even when it is just the animation of the spell books on smallish wins. It is all about opening the portal to enter the Vortex Free Spins round, which can lead to wins of up to 7,318 times your bet on every single spin.

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