Includes: Memory Puzzle - Mystery Mermaids Artbook DLC Train your brain with this memory game, revealing sexy mermaids hidden under viking rune symbols which you have to match.Flip two cards, and if they match, they will be removed from the board, revealing a unique image for each of the twelve levels. Artbook DLC contains all the drawings used in the game, in their original format.The ArtBook will be in the main game directory, in PDF format. Features 12 different adult images to reveal. Cards are shuffled randomly at each game, for maximum replay value. Timer, to see how long it takes to solve a puzzle Gallery where you can view all the puzzle images you have solved. Be among the fastest players to achieve a top spot in our Leaderboards and unlock various achievements.