jigsaw puzzle, jigsaw, riddle, mystery, crossword puzzle, brainteaser, conundrum, brainteasers, chessboard, sodoku, kakuro, cryptograms, rebus, crossword, sudoku, simultaneous equations, anagrams, enigma, equation, whodunit, tangram, gameboard, piece, cruciverbalist, quandary, mistery, cube, mancala, enigmatology, clues, chess, element, dots, quested, component, origami, dilemma, pythagorean theorem, captcha, mosaic, problem, acrostic, differential calculus, euclidean geometry, quadratic equation, saqqarah, dodecahedron, wiring diagram, trivia, tetrahedrons, tetris, storyline, combinatorics, paradox, diagraming, challenge, photomosaic, polyhedrons, question, solitaire, mathematical, shapes, mosiac, double helix, helixes, scavenger hunt, spirograph, treasure hunt, sleuth, lego, scarab, deciphering, randomizer, paradoxes, unravelling, crux, isosceles, mahjongg, marbles, endgame, isosceles triangle, subplot, nucleus, facet, randomness, obstacle, aspect, palindromes, magic bullet, flowchart, maze, subtraction, bottlecap, wordle, solvers, corkboard, deoxyribonucleic acid, theorem, schrodinger equation, hieroglyphic, ichthyosaur, roguelike, puzzles, enigmas, conundrums, riddles, game, ques, subject, cornerstone, grievance, marvel, fantasy, best, glue, idyllic, in, purchasable, sample, toddy, unbidden, when, wonderful, worked, a., accurate, agitating, all, ambiguous, amount, anxious

chinese puzzle, elude, escape, jigsaw puzzle, mix up, riddle, stagger, stump, tangram

acrostic, chinese puzzle, crossword, crossword puzzle, detective novel, fit, jigsaw puzzle, mystery novel, rebus, scrabble, soluble, tangram, word square

bedevil, befuddle, confound, confuse, discombobulate, fox, fuddle, plaything, problem, throw, toy

amaze, baffle, beat, bewilder, dumbfound, flummox, get, gravel, mystify, nonplus, perplex, puzzler, stupefy, stupify, trounce