Recent Solutions
Prev Hole
Play Hole
Next Hole
Golfers
Solutions
All Holes
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Chars
Submitted
Card Number Validation
CornerMercury
131
43 hours ago
Card Number Validation
JunkIce
98
46 hours ago
Card Number Validation
btjones0
101
2 days ago
Card Number Validation
snydej
106
13 days ago
Card Number Validation
t-reverdy
162
15 days ago
Card Number Validation
wh3n3v3r
88
16 days ago
Card Number Validation
emgordon154
73
16 days ago
Card Number Validation
lifthrasiir
76
18 days ago
Card Number Validation
aksyristos
184
19 days ago
Card Number Validation
4ndyJ
137
20 days ago
Card Number Validation
bignamehyp
667
20 days ago
Card Number Validation
sciencedjinn
136
26 days ago
Card Number Validation
moustave
73
5 Nov 2024
Card Number Validation
CheeseCake628
160
5 Nov 2024
Card Number Validation
OSYCh314
178
2 Nov 2024
Card Number Validation
feherd
150
31 Oct 2024
Card Number Validation
CatsAreFluffy
127
30 Oct 2024
Card Number Validation
StardustGogeta
107
30 Oct 2024
Card Number Validation
zbreit
107
29 Oct 2024
Card Number Validation
ThatAlo
161
28 Oct 2024
Card Number Validation
rschwa6308
106
28 Oct 2024
Card Number Validation
sean-niemann
95
24 Oct 2024
Card Number Validation
yousefalizadeh
150
23 Oct 2024
Card Number Validation
NotEvenIndian
124
22 Oct 2024
Card Number Validation
bob-th
144
22 Oct 2024
Card Number Validation
voidgloom
152
22 Oct 2024
Card Number Validation
WillConker
112
22 Oct 2024
Card Number Validation
adoxography
125
22 Oct 2024
Card Number Validation
lhulinsky
157
21 Oct 2024
Card Number Validation
jtaxen
119
21 Oct 2024
Card Number Validation
firegene
98
21 Oct 2024
Card Number Validation
ZakkkkAttackkkk
112
20 Oct 2024
Card Number Validation
dokutan
91
19 Oct 2024
Card Number Validation
OllieBoyne
112
17 Oct 2024
Card Number Validation
brimstonetrader
142
17 Oct 2024
Card Number Validation
rowechenzhong
116
17 Oct 2024
Card Number Validation
kurkale6ka
137
16 Oct 2024
Card Number Validation
cdesodt
155
16 Oct 2024
Card Number Validation
RedzGoose
129
15 Oct 2024
Card Number Validation
ComputerKWasTaken
171
14 Oct 2024
Card Number Validation
mathisfun271
144
14 Oct 2024
Card Number Validation
thatbirdguythatuknownot
92
14 Oct 2024
Card Number Validation
mbittner20
148
13 Oct 2024
Card Number Validation
stefangimmillaro
91
13 Oct 2024
Card Number Validation
ibixina
162
13 Oct 2024
Card Number Validation
JayXon
🥇
67
13 Oct 2024
Card Number Validation
anter69
75
11 Oct 2024
Card Number Validation
IoLimmer
183
10 Oct 2024
Card Number Validation
bzijlema
100
10 Oct 2024
Card Number Validation
kg583
70
10 Oct 2024
Card Number Validation
CaedenHarper
110
9 Oct 2024
Card Number Validation
Emutis
140
9 Oct 2024
Card Number Validation
pres-abhisheksinha
161
8 Oct 2024
Card Number Validation
SirBogman
99
8 Oct 2024
Card Number Validation
wuzekai518
123
8 Oct 2024
Card Number Validation
TaserTheFox
120
8 Oct 2024
Card Number Validation
ndren
76
7 Oct 2024
Card Number Validation
error256
92
7 Oct 2024
Card Number Validation
mattyhempstead
105
7 Oct 2024
Card Number Validation
Mikey-Beep
140
7 Oct 2024
Card Number Validation
hallvabo
77
7 Oct 2024
Card Number Validation
inverseLorentz
131
7 Oct 2024
Card Number Validation
commandblockguy
107
7 Oct 2024
Card Number Validation
Rubiksmath
🥇
67
7 Oct 2024
Card Number Validation
adamnielson42
152
6 Oct 2024
Card Number Validation
Bulmenisaurus
93
6 Oct 2024
Card Number Validation
logvp
118
6 Oct 2024
Card Number Validation
mousetail
111
6 Oct 2024
Card Number Validation
scpchicken
139
6 Oct 2024
Card Number Validation
bobbysq
123
5 Oct 2024
Card Number Validation
zyc-2024
170
5 Oct 2024
Card Number Validation
jameswmccarty
150
5 Oct 2024
Card Number Validation
HumanoidCPU
85
5 Oct 2024
Card Number Validation
GolfingSuccess
98
5 Oct 2024
Card Number Validation
neihousaigaai
108
4 Oct 2024