Dark Vortex
Dark Vortex
Rating: 1

Dark Vortex Online Slot

Updated: January 25, 2022 12:45

Bonus Type:
Paylines / Reels: 243 / 5
Wager Range: 0.10 - 50
Potential maximum win: Up to 7,318 times your wager
RTP: 96.50%
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Dark Vortex is a video slot from Yggdrasil. With a heavy science fiction influence and a huge number of ways to win it provides superb levels of excitement to players.


  • Dark Vortex pays both ways, so it effectively doubles the number of paylines
  • The bonus mode increases the ways to win to 3,125
  • The free spins mode has a number of features that enhance the experience


  • The free spins mode is incredibly hard to trigger

Gameplay, Playability and Volatility

Dark Vortex uses the 243 ways to play paylines set up. This allows for a large number of ways for players to create winning lines and ensures that every spin gives players a feeling that a winning spin is possible. There is also the ability to purchase the free spins mode from the outset, which adds extra excitement to the game.

Vortex Reels

The Vortex Reels are triggered whenever you manage to land 2 or more scatter symbols on adjacent reels. This increases the height of the reels. Each time another scatter lands on an adjacent reel the vortex will be opened on that reel. Once all five reels have becomes vortexes the free spins mode will begin. Every blue orb you collect during Vortex Reels will add additional free spins and every pink orb will add extra stacks to the wilds.

Vortex Free Spins

As soon as the reel all become vortexes the free spins will be triggered. This will instantly increase the number of ways to win to 3,125. A stack of wild symbols will be added to the middle reel which is the same height as the number of pink orbs that were collected. The number of free spins is the same as the number of blue orbs that you managed to collect.


With a medium to high volatility Dark Vortex offers players the chance to grab some big wins. It does mean that there can be a wait between wins though, which could disengage players with low levels of patience.

RTP, Wagers and payouts

Dark Vortex has an RTP of 96.50 which is in line with the market average.

The maximum wager of $50 means that players with a large bankroll can engage to a level they feel comfortable with, without having to worry about the game being over too quickly. It also allows smaller bankroll players the chance to play to a higher level. The minimum wager of $0.10 means that players of any budget can get involved. The maximum payout of 7,318 times your stake is a good level of payout for a medium to high volatility game.

Dark Vortex: Overall

Dark Vortex can sometimes be a difficult game to engage with. It takes a long time to trigger the features and the medium to high volatility means wins do not come along that often. However, the ability to buy the free spins feature does bypass any frustration and makes Dark Vortex a much more interesting game. 3.6/5