412
mathematics
× 48 |
87
geometry
× 16 |
34
computer-science
× 2 |
16
sudoku
× 11 |
310
visual
× 34 |
79
riddle
× 13 |
24
arithmetic
× 3 |
16
dissection
× 2 |
248
logical-deduction
× 82 |
79
story
× 5 |
22
optimization
× 6 |
15
steganography
× 3 |
205
lateral-thinking
× 20 |
76
grid-deduction
× 76 |
22
english
× 2 |
15
three-dimensional
× 3 |
112
enigmatic-puzzle
× 25 |
71
rebus
× 8 |
21
algorithm
× 3 |
15
chess
× 2 |
110
formation-of-numbers
× 8 |
66
combinatorics
× 12 |
20
nonogram
× 3 |
15
chemistry
|
108
no-computers
× 16 |
51
tiling
× 7 |
19
outer-space
|
14
geography
× 2 |
108
strategy
× 15 |
51
computer-puzzle
× 5 |
19
hat-guessing
|
12
language
× 2 |
103
number-sequence
× 13 |
43
probability
× 5 |
18
real
× 6 |
12
situation
× 2 |
98
calculation-puzzle
× 7 |
42
word
× 7 |
17
slitherlink
× 6 |
12
logic-grid
|
95
cipher
× 13 |
42
wordplay
× 5 |
17
polyomino
× 4 |
11
number-theory
× 3 |
94
pattern
× 13 |
38
checkerboard
× 5 |
17
knight-moves
|
10
puzzle-creation
× 4 |
93
knowledge
× 14 |
36
monty-hall
|
17
word-search
|
10
game
× 2 |