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
Abundant Numbers
sean-niemann
🥇
38
222ms
6 hours ago
Abundant Numbers
madex
51
292ms
5 days ago
Abundant Numbers
NoneTheFewer
249
361ms
6 Jan 2026
Abundant Numbers
bitsandbeyond
🥉
41
273ms
27 Dec 2025
Abundant Numbers
Lv0Sys
55
368ms
3 Dec 2025
Abundant Numbers
CaedenHarper
162
235ms
16 Aug 2025
Abundant Numbers
SirBogman
49
298ms
23 Jul 2025
Abundant Numbers
Ripick
63
353ms
1 Jun 2025
Abundant Numbers
USSChris
162
245ms
27 Dec 2024
Abundant Numbers
5quiwyrm
50
450ms
9 Dec 2024
Abundant Numbers
DialFrost
46
1,063ms
10 Oct 2024
Abundant Numbers
PlatoHero
80
256ms
26 Sep 2024
Abundant Numbers
Mabeloid
164
247ms
18 Sep 2024
Abundant Numbers
pardouin
54
337ms
15 Sep 2024
Abundant Numbers
nwellnhof
42
887ms
27 Aug 2024
Abundant Numbers
Steffan153
🥉
41
261ms
9 Aug 2024
Abundant Numbers
dokutan
88
267ms
27 Jul 2024
Abundant Numbers
HumanoidCPU
162
237ms
17 May 2024
Abundant Numbers
JPRuskin
57
392ms
1 May 2024
Abundant Numbers
PowershellKnut
71
324ms
17 Mar 2024
Abundant Numbers
IISResetMe
55
476ms
8 Mar 2024
Abundant Numbers
dcgjb
42
267ms
28 Feb 2024
Abundant Numbers
CarraUjilen
122
280ms
10 Jan 2024
Abundant Numbers
Msleizak
71
301ms
29 Nov 2023
Abundant Numbers
janbehrens
55
469ms
27 Nov 2023
Abundant Numbers
HCRitter
132
346ms
31 Oct 2023
Abundant Numbers
MaxCastella
57
348ms
31 Oct 2023
Abundant Numbers
snoozingnewt
70
402ms
21 Sep 2023
Abundant Numbers
TaserTheFox
57
350ms
6 Jun 2023
Abundant Numbers
juliansiebert
55
331ms
30 May 2023
Abundant Numbers
kenmich
71
312ms
12 May 2023
Abundant Numbers
Shanethegamer
54
353ms
24 Apr 2023
Abundant Numbers
Lydxn
🥇
38
611ms
24 Feb 2023
Abundant Numbers
MeWhenI
🥉
41
247ms
29 Jan 2023
Abundant Numbers
retrohun
668
227ms
27 Dec 2022
Abundant Numbers
astdefu
77
274ms
13 Dec 2022
Abundant Numbers
Arnaud-beep
52
313ms
21 Nov 2022
Abundant Numbers
KevinLaux
64
399ms
2 Nov 2022
Abundant Numbers
Feniske
49
311ms
4 Oct 2022
Abundant Numbers
bthalheim
66
418ms
17 Sep 2022
Abundant Numbers
janssenu-assurity
74
371ms
1 Sep 2022
Abundant Numbers
sisyphus-ppcg
50
465ms
27 Jul 2022
Abundant Numbers
KatieLG-Transpiler
214
286ms
24 Jun 2022
Abundant Numbers
ehmiiz
162
247ms
23 Jun 2022
Abundant Numbers
ryanlanegit
56
518ms
19 Jun 2022
Abundant Numbers
Jartholdy
164
245ms
13 Jun 2022
Abundant Numbers
tofuweasel
58
424ms
8 Jun 2022
Abundant Numbers
Ailko
60
304ms
12 May 2022
Abundant Numbers
KevinMarquette
49
332ms
18 Apr 2022
Abundant Numbers
GrayJoKing
51
303ms
17 Mar 2022
Abundant Numbers
krcs
58
433ms
2 Jan 2022
Abundant Numbers
danubie
67
321ms
24 Dec 2021
Abundant Numbers
mokymok
209
248ms
9 Nov 2021
Abundant Numbers
Grymsly
73
298ms
15 Oct 2021
Abundant Numbers
KatieLG
214
259ms
10 Oct 2021
Abundant Numbers
paulhey
67
385ms
27 Sep 2021
Abundant Numbers
JayXon
🥉
41
252ms
28 Jun 2021
Abundant Numbers
sagarv26
77
255ms
15 Jun 2021
Abundant Numbers
rholliday
70
355ms
26 Feb 2021
Abundant Numbers
Captschi
103
276ms
16 Feb 2021
Abundant Numbers
bac0id
164
220ms
25 Jan 2021
Abundant Numbers
AJLindner
107
302ms
5 Jan 2021
Abundant Numbers
gjh71
68
312ms
27 Dec 2020
Abundant Numbers
janssenuy
71
347ms
22 Dec 2020
Abundant Numbers
btnlq
🥉
41
249ms
19 Dec 2020
Abundant Numbers
rgroefer
69
360ms
29 Nov 2020
Abundant Numbers
TimCurwick
51
363ms
11 Nov 2020
Abundant Numbers
ashscodes
62
323ms
2 Nov 2020
Abundant Numbers
rvdnieuwendijk
62
287ms
3 Oct 2020
Abundant Numbers
bstrautin
🥉
41
257ms
9 Aug 2020
Abundant Numbers
justinkwork
78
314ms
31 Jul 2020
Abundant Numbers
prplz
🥉
41
257ms
27 Jun 2020
Abundant Numbers
realslacker
61
357ms
18 Jun 2020
Abundant Numbers
primo-ppcg
🥉
41
279ms
15 Jun 2020
Abundant Numbers
HumanEquivalentUnit
🥉
41
271ms
15 Jun 2020
Abundant Numbers
harperse
142
1,752ms
11 Jun 2020
Abundant Numbers
Szeraax
69
352ms
10 Jun 2020
Abundant Numbers
JesperJ
285
250ms
9 Jun 2020
Abundant Numbers
JoeBigToe
70
369ms
8 Jun 2020
Abundant Numbers
lahell
59
514ms
7 Jun 2020