This game of fifteen has multiple difficulty levels for you to choose from.In its most famous version, the Fifteen Puzzle, initially known as the Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square, and many others,.Presentation on The Game of Fifteen and Other Fun Problems for the Dalhousie Open House Day. Presentation for the East Coast Combinatorics.The game of Fifteen and Puzzles on Graphs; Weierstrass Product Inequality; Fermats Little Theorem and Eulers Theorem. Problems that allow more than one.use the rearrangement code from this little game of fifteen or not - but The game of FIFTEEN ;;; ;; Remember to choose a language including MrEd.