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
Chars
Time
Submitted
12 Days of Christmas
D-MOVE
2,374
33ms
8 days ago
12 Days of Christmas
od86
648
34ms
10 days ago
12 Days of Christmas
TheZwierzLF
454
34ms
10 days ago
12 Days of Christmas
moozzi
476
36ms
6 Dec 2025
12 Days of Christmas
JOrE20
470
35ms
1 Nov 2025
12 Days of Christmas
AetherQuantity
508
34ms
21 Oct 2025
12 Days of Christmas
snoozingnewt
203
34ms
14 Oct 2025
12 Days of Christmas
blaztoma
448
36ms
13 Oct 2025
12 Days of Christmas
KatieLG
245
33ms
2 Oct 2025
12 Days of Christmas
pardouin
🥈
191
34ms
27 Aug 2025
12 Days of Christmas
CaedenHarper
2,374
36ms
15 Aug 2025
12 Days of Christmas
LostSyntax21
459
35ms
5 Jul 2025
12 Days of Christmas
stefangimmillaro
424
36ms
3 Jun 2025
12 Days of Christmas
apbassi89
528
36ms
2 Jun 2025
12 Days of Christmas
sean-niemann
196
36ms
30 May 2025
12 Days of Christmas
Lv0Sys
475
34ms
29 May 2025
12 Days of Christmas
dokutan
256
35ms
23 Apr 2025
12 Days of Christmas
paul-c-hartman
458
34ms
7 Mar 2025
12 Days of Christmas
madex
479
35ms
19 Dec 2024
12 Days of Christmas
goodrichster
700
40ms
18 Dec 2024
12 Days of Christmas
radarek
193
36ms
15 Dec 2024
12 Days of Christmas
tatzyr
199
36ms
12 Dec 2024
12 Days of Christmas
janlelis
198
36ms
22 Sep 2024
12 Days of Christmas
felixli1998
453
36ms
8 Aug 2024
12 Days of Christmas
HumanoidCPU
262
38ms
1 Aug 2024
12 Days of Christmas
ryo-ha-gi
475
36ms
22 Jul 2024
12 Days of Christmas
emgordon154
474
35ms
21 Jul 2024
12 Days of Christmas
YinglunQ
493
38ms
18 Jul 2024
12 Days of Christmas
beirigo
237
37ms
17 Jul 2024
12 Days of Christmas
neel11235813
436
34ms
26 Mar 2024
12 Days of Christmas
ovs-code
431
39ms
16 Mar 2024
12 Days of Christmas
UnusedConfetti
546
35ms
7 Mar 2024
12 Days of Christmas
anter69
195
36ms
8 Feb 2024
12 Days of Christmas
SirBogman
199
35ms
27 Jan 2024
12 Days of Christmas
olleicua
304
35ms
10 Jan 2024
12 Days of Christmas
primo-ppcg
💎
189
36ms
9 Jan 2024
12 Days of Christmas
dev-Thae
481
37ms
6 Nov 2023
12 Days of Christmas
hollma
482
37ms
20 Oct 2023
12 Days of Christmas
comp0zr
449
37ms
27 Sep 2023
12 Days of Christmas
mikiymk
466
37ms
21 Sep 2023
12 Days of Christmas
msbranicky
485
35ms
12 Sep 2023
12 Days of Christmas
bryanmytko
487
37ms
7 Sep 2023
12 Days of Christmas
MeWhenI
230
34ms
25 Jul 2023
12 Days of Christmas
PikeIt
463
35ms
27 Jun 2023
12 Days of Christmas
zloyrusskiy
315
35ms
20 Jun 2023
12 Days of Christmas
zakariamouhid
2,375
35ms
18 May 2023
12 Days of Christmas
SubsTheTechnomancer
442
34ms
3 Mar 2023
12 Days of Christmas
Haksell
447
33ms
22 Feb 2023
12 Days of Christmas
aksyristos
460
36ms
31 Jan 2023
12 Days of Christmas
DialFrost
254
38ms
26 Jan 2023
12 Days of Christmas
JRaspass
440
36ms
18 Jan 2023
12 Days of Christmas
4hg
254
37ms
27 Dec 2022
12 Days of Christmas
akshatj27
2,374
37ms
25 Dec 2022
12 Days of Christmas
jared-hughes
434
35ms
20 Sep 2022
12 Days of Christmas
Andriamanitra
502
37ms
25 Aug 2022
12 Days of Christmas
purp
528
38ms
13 Aug 2022
12 Days of Christmas
awei82
496
36ms
30 Jun 2022
12 Days of Christmas
KatieLG-Transpiler
2,374
35ms
24 Jun 2022
12 Days of Christmas
gessgallardo
499
36ms
21 Jun 2022
12 Days of Christmas
vincecoss
458
34ms
15 May 2022
12 Days of Christmas
Alfiecxn
2,375
36ms
6 May 2022
12 Days of Christmas
DaCuteRaccoon
464
37ms
5 May 2022
12 Days of Christmas
JayXon
🥈
191
34ms
8 Apr 2022
12 Days of Christmas
timcustard
477
34ms
28 Feb 2022
12 Days of Christmas
sisyphus-ppcg
424
35ms
4 Feb 2022
12 Days of Christmas
WilliamKeating
2,375
39ms
25 Jan 2022
12 Days of Christmas
acornellier
455
37ms
1 Dec 2021
12 Days of Christmas
BrenSchaap
468
36ms
11 Nov 2021
12 Days of Christmas
olivermrose
241
36ms
21 Sep 2021
12 Days of Christmas
Natanaelel
422
35ms
11 Sep 2021
12 Days of Christmas
jbbarth
457
38ms
23 Aug 2021
12 Days of Christmas
Shanethegamer
207
36ms
8 Aug 2021
12 Days of Christmas
diegog1791
2,376
37ms
20 Jul 2021
12 Days of Christmas
gilufin
428
35ms
31 May 2021
12 Days of Christmas
GrayJoKing
427
37ms
29 Mar 2021
12 Days of Christmas
boxjelly
492
35ms
12 Feb 2021
12 Days of Christmas
SephQ
266
37ms
7 Feb 2021
12 Days of Christmas
hiddicop
424
38ms
27 Jan 2021
12 Days of Christmas
Waffle3z
460
33ms
21 Jan 2021
12 Days of Christmas
nico-bachner
2,377
34ms
28 Dec 2020