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
Evil Numbers
JunkIce
41
9 days ago
Evil Numbers
Europe2048
56
10 days ago
Evil Numbers
snydej
49
13 days ago
Evil Numbers
erikji
46
14 days ago
Evil Numbers
Unknownuserfrommars
63
14 days ago
Evil Numbers
Stockoh
41
17 days ago
Evil Numbers
OSYCh314
69
18 days ago
Evil Numbers
emgordon154
🥇
40
19 days ago
Evil Numbers
wh3n3v3r
🥇
40
19 days ago
Evil Numbers
quarl
49
21 days ago
Evil Numbers
hamilton-bonds
59
22 days ago
Evil Numbers
lifthrasiir
44
22 days ago
Evil Numbers
Powerroff
49
24 days ago
Evil Numbers
moustave
49
29 Oct 2024
Evil Numbers
NotNoper
67
28 Oct 2024
Evil Numbers
RedzGoose
49
25 Oct 2024
Evil Numbers
FlyingPenguin223
🥇
40
23 Oct 2024
Evil Numbers
lhulinsky
76
21 Oct 2024
Evil Numbers
HunterC14
57
19 Oct 2024
Evil Numbers
FernSchoenberg
50
15 Oct 2024
Evil Numbers
Emutis
41
13 Oct 2024
Evil Numbers
HelloWorld-er
58
11 Oct 2024
Evil Numbers
Apzyte-Gamer
41
10 Oct 2024
Evil Numbers
CutSandstone
48
9 Oct 2024
Evil Numbers
mattyhempstead
51
8 Oct 2024
Evil Numbers
JudeTyrrell
47
6 Oct 2024
Evil Numbers
lukegustafson
🥇
40
28 Sep 2024
Evil Numbers
aPerson2468
56
28 Sep 2024
Evil Numbers
JesseNoEyes
52
25 Sep 2024
Evil Numbers
Mabeloid
48
22 Sep 2024
Evil Numbers
edsrzf
41
21 Sep 2024
Evil Numbers
zacjl
🥇
40
20 Sep 2024
Evil Numbers
m4xxh
41
17 Sep 2024
Evil Numbers
julian-hoelz
54
16 Sep 2024
Evil Numbers
ComputerKWasTaken
55
16 Sep 2024
Evil Numbers
alemelis
43
13 Sep 2024
Evil Numbers
hippopotam00sehead
56
11 Sep 2024
Evil Numbers
Schreipfelerer
51
10 Sep 2024
Evil Numbers
EnTerr
🥇
40
8 Sep 2024
Evil Numbers
Deedogg
52
5 Sep 2024
Evil Numbers
CyberTapir
54
28 Aug 2024
Evil Numbers
Terobero
41
26 Aug 2024
Evil Numbers
gallium-gonzollium
53
25 Aug 2024
Evil Numbers
martion2007
49
25 Aug 2024
Evil Numbers
jatloe
45
24 Aug 2024
Evil Numbers
NicknamedTwice
49
23 Aug 2024
Evil Numbers
nwunderly
51
23 Aug 2024
Evil Numbers
IoLimmer
54
19 Aug 2024
Evil Numbers
PyryL
52
16 Aug 2024
Evil Numbers
imelxr
46
15 Aug 2024
Evil Numbers
Mathrew2012
51
14 Aug 2024
Evil Numbers
Jacob385
🥇
40
13 Aug 2024
Evil Numbers
khvdm
🥇
40
12 Aug 2024
Evil Numbers
ajuancer
65
7 Aug 2024
Evil Numbers
b-illy
🥇
40
6 Aug 2024
Evil Numbers
Ythaenagor
54
5 Aug 2024
Evil Numbers
sjrct
47
4 Aug 2024
Evil Numbers
MunirKP
45
2 Aug 2024
Evil Numbers
FranklinJiaChen
53
30 Jul 2024
Evil Numbers
JohnyK413
54
27 Jul 2024
Evil Numbers
codingisgreatbutiamnot
🥇
40
26 Jul 2024
Evil Numbers
cyxv
50
26 Jul 2024
Evil Numbers
rifatx
49
24 Jul 2024
Evil Numbers
KasperKivimaeki
44
23 Jul 2024
Evil Numbers
CaedenHarper
🥇
40
13 Jul 2024
Evil Numbers
cuboids
41
10 Jul 2024
Evil Numbers
jameswmccarty
49
10 Jul 2024
Evil Numbers
cykim8811
49
9 Jul 2024
Evil Numbers
Bulmenisaurus
45
8 Jul 2024
Evil Numbers
bac0id
48
6 Jul 2024
Evil Numbers
Rex-xeR
55
3 Jul 2024
Evil Numbers
DGipe
69
28 Jun 2024
Evil Numbers
hellwue
46
25 Jun 2024
Evil Numbers
OCNeve
55
18 Jun 2024
Evil Numbers
wilhelmines
60
17 Jun 2024