Recent Solutions
Prev Hole
Play Hole
Next Hole
Achievements
Cheevos
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
Calendar
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
Hilbert Curve
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
Mandelbrot
Maze
Medal Tally
Minesweeper
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
Partition Numbers
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
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
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
05AB1E
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
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
Experimental Language
05AB1E
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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
Calendar
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
Hilbert Curve
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
Mandelbrot
Maze
Medal Tally
Minesweeper
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
Partition Numbers
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
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Arithmetic Numbers
JOrE20
67
76ms
15 days ago
Arithmetic Numbers
NoneTheFewer
236
84ms
24 days ago
Arithmetic Numbers
amazingalek
81
74ms
19 Dec 2025
Arithmetic Numbers
xsot
58
84ms
18 Dec 2025
Arithmetic Numbers
kellantech
81
78ms
17 Dec 2025
Arithmetic Numbers
KasperKivimaeki
65
150ms
15 Dec 2025
Arithmetic Numbers
Florian-Mt
75
82ms
11 Dec 2025
Arithmetic Numbers
snoozingnewt
64
78ms
4 Dec 2025
Arithmetic Numbers
MyltsinVV
91
79ms
27 Nov 2025
Arithmetic Numbers
7coil
63
207ms
25 Nov 2025
Arithmetic Numbers
stephanie-flower
139
50ms
23 Nov 2025
Arithmetic Numbers
nathanadams
64
82ms
7 Oct 2025
Arithmetic Numbers
Yax42
65
79ms
5 Sep 2025
Arithmetic Numbers
Xanderium
92
412ms
1 Sep 2025
Arithmetic Numbers
fuzzylojik-golf
59
80ms
28 Aug 2025
Arithmetic Numbers
Ultra814
68
79ms
21 Aug 2025
Arithmetic Numbers
gitchaell
100
18ms
8 Aug 2025
Arithmetic Numbers
LordSir101
76
194ms
7 Aug 2025
Arithmetic Numbers
SebassNoob
133
1,170ms
5 Aug 2025
Arithmetic Numbers
acollett89
64
82ms
1 Aug 2025
Arithmetic Numbers
clayboll99
105
79ms
18 Jul 2025
Arithmetic Numbers
FranciscoGibbons
138
22ms
15 Jul 2025
Arithmetic Numbers
Protothor
145
1,168ms
2 Jul 2025
Arithmetic Numbers
tetrogem
70
80ms
26 Jun 2025
Arithmetic Numbers
CaedenHarper
68
106ms
25 Jun 2025
Arithmetic Numbers
gigaprofisi
74
79ms
21 Jun 2025
Arithmetic Numbers
attila8192
61
79ms
11 May 2025
Arithmetic Numbers
MyXoToD
129
927ms
8 May 2025
Arithmetic Numbers
a6166231
86
441ms
27 Apr 2025
Arithmetic Numbers
Kowalskiexe
75
80ms
19 Apr 2025
Arithmetic Numbers
Voltrifrodec
105
82ms
19 Apr 2025
Arithmetic Numbers
kevinnaviapaiva
152
79ms
15 Feb 2025
Arithmetic Numbers
targrik
67
79ms
10 Feb 2025
Arithmetic Numbers
sciencejiho
121
202ms
10 Feb 2025
Arithmetic Numbers
TheAtrossian
100
77ms
31 Jan 2025
Arithmetic Numbers
ShiraJoseph
79
126ms
20 Jan 2025
Arithmetic Numbers
didion0
65
81ms
10 Jan 2025
Arithmetic Numbers
deancureton
68
79ms
29 Dec 2024
Arithmetic Numbers
eranws
64
79ms
23 Dec 2024
Arithmetic Numbers
Salutations45
64
82ms
3 Dec 2024
Arithmetic Numbers
LukeBridges
73
80ms
28 Nov 2024
Arithmetic Numbers
823126
68
369ms
13 Nov 2024
Arithmetic Numbers
alexsave
64
91ms
11 Nov 2024
Arithmetic Numbers
andrewjc2000
83
81ms
20 Oct 2024
Arithmetic Numbers
Ashikpaul
104
84ms
19 Oct 2024
Arithmetic Numbers
Mabeloid
45,337
10ms
3 Oct 2024
Arithmetic Numbers
xyangst
68
80ms
28 Sep 2024
Arithmetic Numbers
JesseNoEyes
92
78ms
25 Sep 2024
Arithmetic Numbers
emgordon154
62
83ms
16 Sep 2024
Arithmetic Numbers
madeforlosers
98
289ms
4 Sep 2024
Arithmetic Numbers
dmrichwa
58
80ms
23 Aug 2024
Arithmetic Numbers
dysphasia
65
81ms
21 Aug 2024
Arithmetic Numbers
mobibluman
85
82ms
16 Aug 2024
Arithmetic Numbers
dokutan
66
79ms
3 Aug 2024
Arithmetic Numbers
eMGeeneer
74
89ms
24 Jul 2024
Arithmetic Numbers
Steffan153
🥇
56
142ms
20 Jul 2024
Arithmetic Numbers
tzuyuan-github
759
18ms
19 Jul 2024
Arithmetic Numbers
hacker112
102
3,686ms
19 Jun 2024
Arithmetic Numbers
vlpx
🥇
56
142ms
18 Jun 2024
Arithmetic Numbers
thisishowmymindworks
72
82ms
11 Jun 2024
Arithmetic Numbers
Andrey-Plotnikov
66
79ms
16 May 2024
Arithmetic Numbers
HumanoidCPU
70
80ms
5 May 2024
Arithmetic Numbers
dbkirk4211
85
80ms
3 May 2024
Arithmetic Numbers
helbling
57
141ms
23 Apr 2024
Arithmetic Numbers
nick4333
238
21ms
10 Apr 2024
Arithmetic Numbers
tik25
106
90ms
29 Mar 2024
Arithmetic Numbers
coreynash
91
17ms
26 Mar 2024
Arithmetic Numbers
niklv
62
82ms
19 Mar 2024
Arithmetic Numbers
nakatchi
73
82ms
25 Feb 2024
Arithmetic Numbers
two-bad
62
81ms
25 Feb 2024
Arithmetic Numbers
joedia
140
80ms
17 Feb 2024
Arithmetic Numbers
GeorgeStechman
64
86ms
5 Feb 2024
Arithmetic Numbers
NickTheEASDude
76
95ms
1 Feb 2024
Arithmetic Numbers
TheDarkThatBarks
71
80ms
29 Jan 2024
Arithmetic Numbers
maxkhoward
141
88ms
11 Jan 2024
Arithmetic Numbers
olleicua
67
79ms
10 Jan 2024
Arithmetic Numbers
xbxbxb007
167
428ms
10 Jan 2024
Arithmetic Numbers
msbranicky
86
81ms
5 Jan 2024
Arithmetic Numbers
efgen
65
89ms
26 Dec 2023
Arithmetic Numbers
Natanaelel
68
117ms
10 Dec 2023