puzzle
problem or enigma that tests the ingenuity of the solver
jigsaw puzzle
type of tiling puzzle
Fill-In
crossword-like puzzle in which a list of words is given (but not their positions in the grid), and one must place them into the grid
riddle
word puzzle
acrostic puzzle
type of word puzzle, related somewhat to crossword puzzles, that uses an acrostic form
fuddling cup
three-dimensional puzzle in the form of a drinking vessel
Connect the dots
puzzle involving connecting numbered dots
Tour puzzle
type of puzzle
word puzzle
class of puzzles including crosswords, anagrams, word searches, and others
Masters of the Elements
educational video game
mathematical puzzle
type of puzzle
Eternity II puzzle
puzzle competition released in 2007, published by Lord Christopher Monckton, marketed and copyrighted by TOMY UK Ltd.; a 2 million USD prize was offered for a solution, but the competition ended in 2010 with no solutions found
tiling puzzle
type of puzzle
Brain Buster
puzzle type where the alphabetical position of letters defines their value
riddle
statement or question or phrase having a double or veiled meaning, put forth as a puzzle to be solved
Babylon Tower
puzzle
logic puzzle
puzzle deriving from the mathematics field of deduction
chess puzzle
puzzle based on the board game chess
burr puzzle
type of interlocking puzzle
Samson's riddle
in the Bible, a riddle that Samson posed to his Philistine wedding guests: “Out of the eater, something to eat; out of the strong, something sweet”, about a beehive in a lion carcass
mind game
intellectual puzzle
puzzle video game
genre of video games
Walls & Lines
Impossible puzzle in graph theory
maze
puzzle game in the form of a complex branching passage
mechanical puzzle
puzzle presented as a set of mechanically interlinked pieces
Hedgehog in the Cage
puzzle
Knight's tour
puzzle
logogriph
word puzzle, usually given in verse form
river crossing puzzle
class of mental challenges
Wason selection task
test in the study of deductive reasoning
cryptic crossword
crossword puzzle in which each clue is a word puzzle in and of itself
Eternity puzzle
tiling puzzle of 209 pieces, with large number of possible attempts
puzzle globe
spherical assembly of puzzle pieces
Nintendo tumbler puzzle
mathematical 3D puzzle game
puzzle jug
trick drinking vessel
Parsons problem
exercise type in computer programming