Just in time for Halloween and Slots Capital has announced its premiere of the new vampire-themed Dark Hearts video slot from developer Rival.Slots Capital declared that it features a ‘huge selection of unique online casino games’ from Rival while revealing that the five-reel Dark Hearts is now available to enjoy via its download, instant-play and mobile services.A 243-ways-to-win video slot, Dark Hearts offers players the chance to wager up to ten coins on every spin that feature an individual value from a penny up to $0.25. Competitors that manage to collect a trio of antique key scatter symbols will trigger the game’s Players Choice Chamber bonus where they are prompted to select from a pair of vampires or the young woman these are pursuing in order determine their free spins allocation along with the size of their prize multiplier.“If they choose vampire ‘Viktor’, they get 30 free spins with a one-time multiplier,” read a statement from Slots Capital.“Choosing ‘Willow’ wins 15 free spins with double multiplier. Those that pick ‘Marcus’, the other vampire, receive ten free spins with a triple multiplier.”