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
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
Gray Code Decoder
Gray Code Encoder
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
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
Gray Code Decoder
Gray Code Encoder
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
Chars
Time
Submitted
Diamonds
tomh1012
177
451ms
9 Feb 2026
Diamonds
amazingalek
142
436ms
21 Jan 2026
Diamonds
mwarvik
1,121
376ms
14 Jan 2026
Diamonds
AdrienHache
126
430ms
30 Nov 2025
Diamonds
HumanoidCPU
1,121
357ms
9 Nov 2025
Diamonds
brandon-04
349
402ms
7 Nov 2025
Diamonds
gpikmddk
201
415ms
3 Nov 2025
Diamonds
CaedenHarper
183
409ms
21 Oct 2025
Diamonds
ChromaChroma
179
438ms
7 Oct 2025
Diamonds
codewrite
188
408ms
5 Jul 2025
Diamonds
OmameBeans
207
403ms
30 Jun 2025
Diamonds
sean-niemann
100
428ms
20 Jun 2025
Diamonds
MeWhenI
127
397ms
19 Jun 2025
Diamonds
namelessiw
117
366ms
19 Jun 2025
Diamonds
Yax42
117
377ms
15 Jun 2025
Diamonds
stefangimmillaro
131
407ms
15 Jun 2025
Diamonds
KAKISKA-code
370
384ms
24 May 2025
Diamonds
janbehrens
127
423ms
17 Apr 2025
Diamonds
plittlewood
345
411ms
16 Apr 2025
Diamonds
Shanethegamer
158
376ms
9 Apr 2025
Diamonds
kevinnaviapaiva
356
406ms
25 Feb 2025
Diamonds
BeansMage42
281
411ms
28 Dec 2024
Diamonds
arcpolaris
192
451ms
19 Nov 2024
Diamonds
DmytroLynda
233
459ms
7 Nov 2024
Diamonds
aliakseikalosha
157
393ms
22 Oct 2024
Diamonds
krcs
172
397ms
15 Oct 2024
Diamonds
nwellnhof
🥇
91
401ms
21 Sep 2024
Diamonds
Mabeloid
1,208
331ms
17 Sep 2024
Diamonds
alicethecatwhisperermeow
176
453ms
7 Aug 2024
Diamonds
acer-xq
166
357ms
6 Aug 2024
Diamonds
tomward77
240
401ms
6 Aug 2024
Diamonds
KatieLG
143
393ms
30 Jul 2024
Diamonds
jazzcurio
321
439ms
24 Jul 2024
Diamonds
rifatx
135
369ms
6 Jul 2024
Diamonds
bac0id
190
450ms
5 Jul 2024
Diamonds
JarrodCope
269
410ms
7 Jun 2024
Diamonds
dokutan
261
389ms
17 Apr 2024
Diamonds
MiffOttah
184
428ms
13 Apr 2024
Diamonds
arctouch-cristiannevianna
159
392ms
4 Mar 2024
Diamonds
JayXon
🥇
91
434ms
19 Dec 2023
Diamonds
msbranicky
223
436ms
14 Sep 2023
Diamonds
kawamuu5
172
374ms
9 Jun 2023
Diamonds
ericlangedijk
160
388ms
22 May 2023
Diamonds
annaproxy
170
387ms
22 May 2023
Diamonds
postie77
133
384ms
5 May 2023
Diamonds
btnlq
🥉
95
386ms
6 Mar 2023
Diamonds
Steffan153
100
400ms
16 Feb 2023
Diamonds
Kloppermand
153
368ms
6 Jan 2023
Diamonds
retrohun
1,208
374ms
27 Dec 2022
Diamonds
hemphen
117
407ms
26 Sep 2022
Diamonds
Talwynox
254
396ms
13 Aug 2022
Diamonds
hamhub7
244
398ms
11 Aug 2022
Diamonds
roavin
144
404ms
28 Jul 2022
Diamonds
KatieLG-Transpiler
1,212
408ms
23 Jun 2022
Diamonds
Romain-1
163
414ms
18 May 2022
Diamonds
Gaddy
119
356ms
12 May 2022
Diamonds
xDavidL
192
408ms
19 Feb 2022
Diamonds
HassanAliKadhem
244
365ms
15 Jan 2022
Diamonds
tomtheisen
99
392ms
21 Nov 2021
Diamonds
tdkkdt
125
434ms
21 Nov 2021
Diamonds
primo-ppcg
106
401ms
21 Nov 2021
Diamonds
lleszczynski-PL
1,409
397ms
21 Nov 2021
Diamonds
muztanger
208
423ms
21 Nov 2021
Diamonds
oren0
190
375ms
21 Nov 2021
Diamonds
mukulkesh
278
417ms
21 Nov 2021
Diamonds
p-vf
228
395ms
21 Nov 2021
Diamonds
Meowsan91
136
395ms
21 Nov 2021
Diamonds
joelgduggan
156
405ms
21 Nov 2021
Diamonds
iznax
121
392ms
21 Nov 2021
Diamonds
InDey
291
401ms
21 Nov 2021
Diamonds
billings7
116
401ms
21 Nov 2021
Diamonds
bendapootie
121
362ms
21 Nov 2021
Diamonds
Iluvatar
172
401ms
11 May 2020
Diamonds
miyu
177
411ms
11 May 2020