Dark Vortex is an intriguing slot game developed by Yggdrasil Gaming that immerses players in a dark and mystical world filled with Lovecraftian themes and eerie visuals. The game features a classic 5×3 grid layout with an initial configuration of 243 ways to win, which can expand to a maximum of 3,125 ways during gameplay. The atmospheric graphics and haunting soundtrack enhance the overall experience, creating an engaging environment perfect for players who enjoy a spooky theme.
A key feature of Dark Vortex is the Vortex Reels mechanic. When players land two or more Vortex symbols on adjacent reels, they activate the Vortex feature, which triggers three Vortex spins. During these spins, the reels expand from three symbols high to five symbols high, significantly increasing the potential for winning combinations. Each additional Vortex symbol that lands during this feature awards extra spins and can further expand the number of ways to win.
The Free Spins feature is activated when players manage to fill all five Vortex reels before the Vortex spins run out. This grants players access to a special free spins round with a full 5×5 reel set and up to 3,125 ways to win. During this round, stacked wilds are introduced on the middle reels, enhancing the chances for big wins.
Players also have the option to use the Buy Bonus feature, allowing them to purchase immediate access to the free spins for a cost of 80 times their stake. This option provides an RTP of 97% during the bonus round, compared to the standard RTP of 96.5% when triggering it through regular gameplay.
With a maximum win potential of up to 7,318 times the bet or ?3,659,000, Dark Vortex offers an enticing opportunity for players seeking substantial rewards. The RTP is competitive at 96.5%, ensuring favorable returns over time.
The betting range accommodates both casual players and high rollers alike, starting from ?0.10 up to ?50 per spin. The high volatility means that while wins may be less frequent, they can be substantial when they occur.