The following keywords are specific puzzle types or puzzles in general. Don't know what the puzzle type is called? ID it by grid type!
1, 2, 3 crossword
26-skiddoo puzzle: see alphagram
52-skiddoo puzzle: see alphagram
7xwords
acronyms
Akari puzzle
Allied Occupation puzzle: see Fillomino puzzle
alliteration
alphabetic sequences
Alphabet Soup (Penny Press): see alphagram
alphabet subsets
alphablock
Alphacipher
alphacode: see Alphacipher
alphagram
alphametics (encoded arithmetic)
Alpha Sleuth
Alternate Corners puzzle
Anacrostic puzzle: see double crostic
analogies
anaquote
Anglers logic puzzle
Anguished English
arithmetic square
arrow ring puzzle: see yajilin
Artist's Block: see Spiral Galaxies puzzle
arukone: see Number Link puzzle
assembly puzzles
audio crossword
Back and Forth (puzzle type)
backswitch
Bag puzzle: see Corral puzzle
Balance Loop logic puzzle
balance puzzle
barred crossword
Battleships (puzzle)
before and after
bigrams
black and white (logic puzzle)
Black Box crosswords
Black Box (game)
black box (solver must figure out inner workings)
block-style crossword
bodaburokku: see border block puzzle
Bongard problems
Bonza puzzles
border block puzzle
bridge crossing puzzle
Bridges puzzle: see hashiwokakero
Building Blocks puzzle: see lettered dice
Bulls-Eye 20 Questions
bullseye crossword
burr puzzles
calcudoku: see KenKen
cartoon rebuses
Castawords puzzle: see lettered dice
catenoid crossword
cathedral crossword
Cave puzzle: see Corral puzzle
Cell Structure puzzle: see Nurikabe
charades
Cheryl's Birthday problem
ClueKeeper
combo meals puzzle
connect the dots
consonantcies
Corral puzzle
Country Road (puzzle type)
Creek puzzle
criss-cross
cross-number puzzle
Cross Products (Cross Sums variant)
cross-stitch crossword
Cross Sums
crossword puzzles
crosswords on the landscape
crostic puzzle: see double crostic
crushword puzzle: see 1, 2, 3 crossword
cryptarithms: see alphametics (encoded arithmetic)
cryptic crossword clues
cryptic crosswords
cryptograms
curved line nonogram
deficit sudoku: see udoku
deletions and insertions
diagonalizing
diagramless criss-cross
diagramless crossword
Dicey Words: see lettered dice
disconnected criss-cross
discover the hidden rules
domino puzzle
Dominosa: see domino puzzle
Dotty dilemma puzzle: see fences puzzle
double crostic
double-or-nothing crossword
double trouble crossword: see 1, 2, 3 crossword
drawing letters and numbers
dropquotes
Dungeons and Diagrams (logic puzzle)
Easy as ABC puzzle: see End View puzzle
Edel puzzle: see paint by numbers (logic puzzle)
edge matching puzzles
Einstein's puzzle: see logic puzzle based on elimination
End View puzzle
Equation Analysis Test (26 = L. in the A.)
escape room
Every Second Turn: see Alternate Corners puzzle
fake puzzle
false negatives
false plurals
fences puzzle
Figure Logic puzzle: see cross-number puzzle
Fill-a-Pix
fill-in puzzle
Fillomino puzzle
find the differences
find the list
Fit-In puzzle: see fill-in puzzle
flats (NPL puzzles)
flower power puzzle: see petal puzzle
following directions
forms (word squares and others)
framelinks
Fraternal Twins puzzle
fuse timing puzzle
futoshiki
gattai: see samurai sudoku
German sausage puzzle
Going Too Far crossword
Gokigen Naname: see Slant puzzle
Grand Tour puzzle: see path puzzles
Griddlers: see paint by numbers (logic puzzle)
gryptics crossword
Mark Halpin's Labor Day puzzles
Hanayama disassembly puzzles
Hanjie: see paint by numbers (logic puzzle)
hashi: see hashiwokakero
hashiwokakero
heteromino (logic puzzle)
hexaflexagons
hexagonal crossword
Heyawake
Hidato puzzle
hidden words
Hitori
homonyms: see homophones
homophones
Honeycomb crossword
Hotaru Beam puzzle
impossible puzzles
Index Sums puzzle: see kakurasu
Inner Circles puzzle: see Honeycomb crossword
IQ tests
Islands in the Stream puzzle: see Nurikabe
jigsaw puzzles
jigsaw quote
Jumble puzzle
jumping crossword
kakurasu
Kakuro: see Cross Sums
KenKen
keyed-order crossword
killer sudoku
knight's tour
kriss kross: see criss-cross
kropki
kurodoko: see kuromasu
kuromasu
labyrinth crossword
laddergrams
Latin squares
letter adjacency graphs
letter banks
letter changes
lettered dice
letter links
letter shifts
letters in same positions
letter weights puzzle: see Alphacipher
liar logic puzzles (and self-referential statements, etc.)
Light Up puzzle: see Akari puzzle
Link-a-Pix
LITS puzzle
logical deduction
logic puzzle based on elimination
Loop and Block puzzle
Loop the loop puzzle: see fences puzzle
magnet logic puzzles
mangled clues
Marching Bands puzzle
Masyu
matchmaker puzzle
math maze
mazes
Minesweeper game
minipuzzles
miracle sudoku
mirror logic puzzles
Mirror Universe puzzle
misspellings
Mixed Doubles crossword: see Split Ends crossword
multidigit sums puzzle
multiple answers to logic puzzles
multiple crossword solutions
Namystics
New York Times crosswords
non-intersecting crossword
Nonograms: see paint by numbers (logic puzzle)
Norinori puzzle
not alone (logic puzzle)
Number Link puzzle
number place: see sudoku
numbers associated with or in words
Numbrix: see Hidato puzzle
Nurikabe
Nuruomino: see LITS puzzle
OCTOGRAM
odd man out
ordering logic puzzles
overlays
paint by numbers (logic puzzle)
palindromes and palindromic sequences
pangrams
paragraph puzzles
pathfinder crossword
path puzzles
pentagram crosswords
Pentomino Minesweeper (logic puzzle)
petal puzzle
phonetic letters and numbers (NV = envy or single letters)
phonetic puzzles
Pic-a-Pix: see paint by numbers (logic puzzle)
Picross: see paint by numbers (logic puzzle)
Pic-Tac-Toe
Pipe Dream crossword: see pathfinder crossword
Places, Please puzzle: see reverse word search
printer's devilry
Proof of Quilt: see Shakashaka puzzle
Puns and Anagrams crossword
Purenrupu: see path puzzles
Puzzled Pint
puzzle relay
puzzles written by solving teams
quotation puzzle: see dropquotes
quotefalls: see dropquotes
quote square
Railroad Crossing puzzle
Railroad Tracks puzzle: see Railroad Crossing puzzle
rebus
rebus crossword
reduplications
retrograde rebus chess puzzles
reverse word search
riddles
riddle trails
Right Angles puzzle
River Crossing logic puzzles
road rallye
rota-draw
rotator logic puzzle: see Spiral Galaxies puzzle
Round Trip puzzle: see path puzzles
Rows Garden
Rubik's Cube
Rush Hour (sliding block puzzle)
samurai sudoku
scavenger hunt
Seeking Syren (logic puzzle)
sets
Seven Sages puzzle
Shakashaka puzzle
Sheep and Wolves
shikaku
Siamese Twins puzzle
signal loop (logic puzzle)
skipping crossword
skyscrapers puzzle
Slalom puzzle: see Slant puzzle
Slant puzzle
slide puzzle
sliding block puzzles
Slither Link: see fences puzzle
snake criss-cross
snake puzzle
Solitaire Dominoes: see domino puzzle
solitaire hangman puzzle
Some Assembly Required
something different crossword
sound changes (phonetic letter changes)
Spaghetti (metapuzzle creation game)
Spelling Bee (New York Times puzzle)
spherical crossword
Spiral Galaxies puzzle
spiral puzzle
spiroglyphics
Split Decisions puzzle
Split Ends crossword
spoonergrams: see spoonerisms
spoonerisms
ssudoku
Star Battle (logic puzzle)
starfish crossword
Statue Park puzzle
stereograms
sudokube
sudoku
sun and moon (logic puzzle)
Sym-a-Pix: see Spiral Galaxies puzzle
Takegaki: see fences puzzle
tanglewords puzzle: see reverse word search
tangrams
Tapa
teamwork time
Tentai Show: see Spiral Galaxies puzzle
ten thousand puzzles
tents logic puzzle
Tetracross puzzle
"The Incredible Giraffe Puzzle"
Thermometers (logic puzzle)
tilt mazes
time-sequence puzzles
Tom Swifties
Tower of Hanoi
transdeletions and transadditions
Tribond
trigrams
trivia
udoku
variogram forms: see 1, 2, 3 crossword
vertical anaquote
vowelless puzzles
wacky wordies
Waterfall puzzle
Wheel of Fortune
where is black cells?: see kuromasu
whirlwind puzzle
wolves and sheep: see Sheep and Wolves
Word Arithmetic: see alphametics (encoded arithmetic)
Word Avalanche: see reduplications
word chains
word functions: see discover the hidden rules
Word Games puzzle
word ladders
wordplay (other)
word search
words on winding paths
word stack
word substitutions
World Puzzle Championship
wormhole crossword
wraparound crossword
yajilin
Yin-Yang logic puzzle: see black and white (logic puzzle)