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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Multitap Input
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
ALGOL 68
ArkScript
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Multitap Input
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Repeating Decimals
jusaka
🥉
288
230ms
20 hours ago
Repeating Decimals
snoozingnewt
🥉
288
239ms
3 days ago
Repeating Decimals
scpchicken
946
10ms
5 days ago
Repeating Decimals
vang1ong7ang
392
234ms
5 days ago
Repeating Decimals
jusaka
183
12ms
5 days ago
Repeating Decimals
aksyristos
183
12ms
6 days ago
Repeating Decimals
solisolu
203
31ms
8 days ago
Repeating Decimals
CaedenHarper
🥈
109
58ms
9 days ago
Repeating Decimals
madex
218
2ms
9 days ago
Repeating Decimals
madex
142
37ms
9 days ago
Repeating Decimals
madex
213
2,464ms
9 days ago
Repeating Decimals
madex
191
11ms
9 days ago
Repeating Decimals
Yax42
183
10ms
10 days ago
Repeating Decimals
CaedenHarper
239
433ms
10 days ago
Repeating Decimals
CaedenHarper
180
472ms
10 days ago
Repeating Decimals
CaedenHarper
264
393ms
10 days ago
Repeating Decimals
CaedenHarper
192
28ms
10 days ago
Repeating Decimals
MeWhenI
🥇
255
142ms
11 days ago
Repeating Decimals
zgialor-lab
201
11ms
13 days ago
Repeating Decimals
kg583
🦄
358
79ms
16 days ago
Repeating Decimals
Program-Pi
229
17ms
18 days ago
Repeating Decimals
Program-Pi
191
10ms
18 days ago
Repeating Decimals
happppya
201
10ms
21 days ago
Repeating Decimals
albanian-laundromat
💎
247
44ms
21 days ago
Repeating Decimals
Natanaelel
65
37ms
23 days ago
Repeating Decimals
Chinay-Domitrix
227
2,738ms
24 days ago
Repeating Decimals
albanian-laundromat
💎
351
55ms
26 days ago
Repeating Decimals
FortuiteMan
💎
217
10ms
8 Mar 2026
Repeating Decimals
StefanHabel
200
10ms
8 Mar 2026
Repeating Decimals
snoozingnewt
183
12ms
5 Mar 2026
Repeating Decimals
tomh1012
424
454ms
5 Mar 2026
Repeating Decimals
tomh1012
378
12ms
5 Mar 2026
Repeating Decimals
Flekay
183
12ms
5 Mar 2026
Repeating Decimals
WilliamDeBlieck
🦄
394
8ms
2 Mar 2026
Repeating Decimals
albanian-laundromat
🥇
255
213ms
28 Feb 2026
Repeating Decimals
Lv0Sys
223
11ms
25 Feb 2026
Repeating Decimals
Lv0Sys
155
10ms
25 Feb 2026
Repeating Decimals
snoozingnewt
176
541ms
20 Feb 2026
Repeating Decimals
edsrzf
💎
95
1,397ms
15 Feb 2026
Repeating Decimals
sean-niemann
🥈
96
1,489ms
14 Feb 2026
Repeating Decimals
CaedenHarper
🥉
172
1,263ms
10 Feb 2026
Repeating Decimals
rucin93
133
10ms
9 Feb 2026
Repeating Decimals
JOrE20
166
11ms
9 Feb 2026
Repeating Decimals
sean-niemann
🥉
222
850ms
9 Feb 2026
Repeating Decimals
sean-niemann
137
11ms
9 Feb 2026
Repeating Decimals
dokutan
305
64ms
8 Feb 2026
Repeating Decimals
JOrE20
🥉
414
26ms
7 Feb 2026
Repeating Decimals
emgordon154
🥉
318
125ms
1 Feb 2026
Repeating Decimals
Andrey2001
300
18ms
31 Jan 2026
Repeating Decimals
Matter1024
170
63ms
19 Jan 2026
Repeating Decimals
JesseNoEyes
302
11ms
19 Jan 2026
Repeating Decimals
codewrite
370
415ms
18 Jan 2026
Repeating Decimals
Matter1024
245
2,694ms
18 Jan 2026
Repeating Decimals
alexsave
210
9ms
16 Jan 2026
Repeating Decimals
Matter1024
210
10ms
16 Jan 2026
Repeating Decimals
KatieLG
60
722ms
12 Jan 2026
Repeating Decimals
canissimia
💎
103
8ms
8 Jan 2026
Repeating Decimals
TheZwierzLF
276
39ms
5 Jan 2026
Repeating Decimals
rhdqor213
💎
156
2ms
2 Jan 2026
Repeating Decimals
snoozingnewt
💎
238
115ms
17 Dec 2025
Repeating Decimals
blaztoma
112
38ms
17 Dec 2025
Repeating Decimals
blaztoma
🥇
110
18ms
17 Dec 2025
Repeating Decimals
blaztoma
🥈
240
114ms
17 Dec 2025
Repeating Decimals
blaztoma
144
9ms
17 Dec 2025
Repeating Decimals
driri85
259
11ms
15 Dec 2025
Repeating Decimals
edsrzf
🥇
112
8ms
14 Dec 2025
Repeating Decimals
TheZwierzLF
807
497ms
14 Dec 2025
Repeating Decimals
albanian-laundromat
💎
290
5ms
11 Dec 2025
Repeating Decimals
error256
💎
166
98ms
11 Dec 2025
Repeating Decimals
kmathis22
288
548ms
8 Dec 2025
Repeating Decimals
HPWiz
🥇
110
21ms
8 Dec 2025
Repeating Decimals
TheZwierzLF
321
10ms
7 Dec 2025
Repeating Decimals
albanian-laundromat
300
187ms
7 Dec 2025
Repeating Decimals
TheZwierzLF
312
694ms
7 Dec 2025
Repeating Decimals
CornerMercury
138
33ms
1 Dec 2025
Repeating Decimals
h3ra993huskp
332
471ms
30 Nov 2025
Repeating Decimals
tigerdan2
332
495ms
30 Nov 2025
Repeating Decimals
FortuiteMan
196
10ms
27 Nov 2025
Repeating Decimals
sunleonid
🥇
110
22ms
27 Nov 2025
Repeating Decimals
IISResetMe
195
313ms
27 Nov 2025