In crosswords, the left-to-right answers are called these.
What is Across Entries?
A rearrangement of letters to make a new word or phrase.
What is Anagram?
The famous twisty cube invented by Ernő Rubik.
What is Rubik's Cube?
These pieces typically have one straight edge
What is Edge Piece?
What has keys but cannot open locks?
What is a Piano/Keyboard?
The term for how tightly jigsaw pieces hold together
What is Fit?
A word that reads the same forward and backward.
What is Palindrome?
A mechanical puzzle type where you remove a ring from a loop or set of bars.
What is Disentanglement Puzzle?
The image on the box used to guide assembly is the puzzle's this
What is Reference Image?
What has hands but cannot clap?
What is Clock?
A logic grid puzzle mainly relies on this to solve.
What is Deduction?
A puzzle where you replace letters with other letters based on a key.
What is Cryptogram?
A puzzle with a hidden opening mechanism, often opened in steps
What is Puzzle Box?
The technique of assembling the border first is commonly called building the what?
What is Frame?
What can travel around the world while staying in one corner?
What is a Stamp?
A common term for a sudden "aha!" moment when solving.
What is Insight/Light bulb?
A crossword with wordplay-heavy clues and heavy instructions
What is Cryptic Crossword?
A classic three-peg puzzle where you move disks without placing larger on smaller.
What is Tower of Hanoi?
What is Chipboard?
What gets wetter the more it dries?
A Towel
A puzzle where you slide tiles into an empty space is this type.
What is a Sliding Puzzle?
A word puzzle where each letter stands for a number (Often 1-26)
What is Alpha Metric/Letter-Number Cipher?
The classic Sliding-tile puzzle typically numbered 1-15 is called this.
What is 15 Puzzle/Sliding Tile Puzzle?
Inventor of jigsaw puzzles
Who is John Spilsbury?
What has a head and a tail but no body?
What is a Coin?