The three princesses. Once you fill the meter, you'll launch the Princess Trinity feature. Moon Princess is a 5-reel, line online slot game with bonus spins, instant play, autoplay, video slots, multiplier, wild symbol, mobile gaming, magic. . The Princess Trinity Bonus is triggered by filling up the meter with winning combos. Take a magical trip into the world of anime with Moon Princess , the online slot from Play'n GO. Triggering the free spins feature can be challenging, but the potential. Once you fill the meter, you'll launch the Princess Trinity feature. Moon Princess is a 5-reel, line online slot game with bonus spins, instant play, autoplay, video slots, multiplier, wild symbol, mobile gaming, magic. This can only be filled up by landing three or more princess symbols. Moon Princess · Moon Princess · Moon Princess Trinity · Moon Princess: Christmas Kingdom · Morgana Megaways · Motorhead · Mount M · Mr and Mrs Spy · Mr Cash. Moon Princess · Moon Princess · Moon Princess Trinity · Moon Princess: Christmas Kingdom · Moon Temple · More Turkey · Morgana Megaways. This slot offers an adventure with a trio of girl heroes. Moon Princess: Christmas Kingdom is a 5-reelonline slot game with bonus round, bonus spins, instant play, autoplay, video slots, multiplier, wild symbol. This can only be filled up by landing three or more princess symbols. This slot offers an adventure with a trio of girl heroes. The three princesses. Take a magical trip into the world of anime with Moon Princess , the online slot from Play'n GO.