73
mathematics
× 16 |
19
cryptography
|
7
paper-folding
× 3 |
3
probability
|
73
pattern
× 13 |
18
wordplay
× 5 |
7
rhyme
× 2 |
3
number-theory
|
67
cipher
× 13 |
16
steganography
× 6 |
6
puzzle-creation
|
2
letters
|
54
visual
× 10 |
16
language
× 3 |
6
checkerboard
|
2
word-ladder
|
37
computer-puzzle
× 4 |
15
formation-of-numbers
× 4 |
6
geometry
|
2
game
|
34
logical-deduction
× 9 |
14
no-computers
× 5 |
5
story
× 4 |
2
animals
|
31
enigmatic-puzzle
× 7 |
14
word-problem
|
5
strategy
× 2 |
2
alphametic
|
26
word
× 4 |
11
three-dimensional
|
5
board-games
|
2
number-sequence
|
24
riddle
× 8 |
9
combinatorics
× 3 |
4
lateral-thinking
|
2
time
|
24
grid-deduction
× 4 |
9
history
|
4
solvability
|
0
optimization
× 2 |
24
word-property
× 3 |
8
symbols
× 2 |
4
geography
|
0
sequence
|
23
knowledge
× 6 |
8
weighing
× 2 |
3
algorithm
× 2 |
0
four-dimensional
|
19
calculation-puzzle
× 5 |
8
liars
|
3
literature
|
0
poetry
|
Jan Ivan
