Two weeks after adding the five-reel Purrfect Pets video slot from RealTime Gaming to its portfolio and Slotastic! has now revealed that its players can enjoy the developer’s Double Ya Luck and Penguin Power games.Slotastic! explained that the three-reel Double Ya Luck is available via its mobile service while its five-reel Penguin Power compatriot is now being offered via the domain's instant-play online casino for desktop computers after being added to the site’s mobile service in March.The online casino declared that Penguin Power features ‘the playful antics of baby penguins’ while players that manage to collect igloo scatter symbols can trigger a maximum of 25 free spins for prizes of up to 100 times the triggering wager.“During free spins, baby penguins can award up to 100 times the triggering bet and up to ten more free spins,” read a statement from Slotastic!.“The game’s progressive jackpot can be won on any regular spin.”Described by Slotastic! as a ‘classic three-reel slot’, Double Ya Luck moreover offers players the chance to win instant prizes, free spins and a progressive jackpot via a built-in bonus round that is triggered by collecting a sufficient number of dice symbols.“When ‘double’, ‘ya’ and ‘luck’ appear, a fifty-fifty gamble feature is triggered and players can either collect their win and keep playing or take a chance at doubling it,” read the statement from Slotastic!.