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
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
Calendar
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
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
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
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
Calendar
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
99 Bottles of Beer
albanian-laundromat
349
330ms
7 days ago
99 Bottles of Beer
CaedenHarper
339
261ms
7 days ago
99 Bottles of Beer
KasperKivimaeki
330
283ms
23 days ago
99 Bottles of Beer
0xjac
348
274ms
7 Jun 2025
99 Bottles of Beer
mpldr
428
266ms
25 Mar 2025
99 Bottles of Beer
dokutan
444
283ms
24 Mar 2025
99 Bottles of Beer
sean-niemann
319
263ms
11 Jan 2025
99 Bottles of Beer
stefangimmillaro
319
276ms
13 Dec 2024
99 Bottles of Beer
kichiandk
592
275ms
14 Nov 2024
99 Bottles of Beer
dbut2
337
267ms
30 Oct 2024
99 Bottles of Beer
Mabeloid
12,235
287ms
17 Sep 2024
99 Bottles of Beer
edsrzf
326
262ms
8 Sep 2024
99 Bottles of Beer
HumanoidCPU
444
259ms
26 Aug 2024
99 Bottles of Beer
kkoenig
350
268ms
7 Jan 2024
99 Bottles of Beer
jerrandolph
354
271ms
19 Oct 2023
99 Bottles of Beer
snoozingnewt
622
260ms
7 Oct 2023
99 Bottles of Beer
weliveinhell
321
268ms
6 Oct 2023
99 Bottles of Beer
harshit54
349
336ms
4 Oct 2023
99 Bottles of Beer
msbranicky
376
269ms
10 Sep 2023
99 Bottles of Beer
HassanAliKadhem
413
331ms
2 Aug 2023
99 Bottles of Beer
steven-purcell
718
269ms
30 Jul 2023
99 Bottles of Beer
eli-siegel
593
294ms
21 Jun 2023
99 Bottles of Beer
janbehrens
353
278ms
10 May 2023
99 Bottles of Beer
Narik1
409
279ms
3 Apr 2023
99 Bottles of Beer
dpatterbee
341
248ms
31 Mar 2023
99 Bottles of Beer
christensendaniel
719
256ms
29 Mar 2023
99 Bottles of Beer
Yewzir
386
265ms
20 Mar 2023
99 Bottles of Beer
MeWhenI
329
271ms
10 Feb 2023
99 Bottles of Beer
yishayv
442
261ms
22 Jan 2023
99 Bottles of Beer
kimbo
383
271ms
11 Jan 2023
99 Bottles of Beer
DialFrost
420
277ms
8 Jan 2023
99 Bottles of Beer
retrohun
12,251
261ms
26 Dec 2022
99 Bottles of Beer
KatieLG
372
253ms
25 Sep 2022
99 Bottles of Beer
JRaspass
361
261ms
23 Sep 2022
99 Bottles of Beer
g-katsuki
407
328ms
14 Sep 2022
99 Bottles of Beer
destofr
607
319ms
23 Aug 2022
99 Bottles of Beer
MF-devs
495
263ms
15 Aug 2022
99 Bottles of Beer
MJKWoolnough
352
259ms
10 Aug 2022
99 Bottles of Beer
KatieLG-Transpiler
11,934
325ms
24 Jun 2022
99 Bottles of Beer
rtlopez796
690
272ms
9 Feb 2022
99 Bottles of Beer
1337-man
12,251
320ms
23 Jan 2022
99 Bottles of Beer
YusukeKishino
370
258ms
28 May 2021
99 Bottles of Beer
stadamdoki
434
271ms
9 Mar 2021
99 Bottles of Beer
masterada
🥈
290
261ms
20 Feb 2021
99 Bottles of Beer
vcc-krisztian-bedo
369
270ms
15 Feb 2021
99 Bottles of Beer
jakeelzinga
700
271ms
14 Dec 2020
99 Bottles of Beer
lamba09
390
266ms
20 Aug 2020
99 Bottles of Beer
megaturbo
472
272ms
18 Jun 2020
99 Bottles of Beer
Shanethegamer
571
264ms
5 Jun 2020
99 Bottles of Beer
ninjawarrior1337
470
267ms
30 Apr 2020
99 Bottles of Beer
primo-ppcg
💎
281
265ms
22 Apr 2020
99 Bottles of Beer
b97tsk
334
269ms
20 Apr 2020
99 Bottles of Beer
stipo42
421
269ms
20 Apr 2020
99 Bottles of Beer
ncsurfus
405
265ms
20 Apr 2020
99 Bottles of Beer
potatoattack
455
268ms
19 Apr 2020
99 Bottles of Beer
jamesallured
375
279ms
19 Apr 2020
99 Bottles of Beer
ricxi
620
270ms
19 Apr 2020
99 Bottles of Beer
MahlerFive
396
274ms
19 Apr 2020
99 Bottles of Beer
saracen
🥉
316
263ms
17 Apr 2020
99 Bottles of Beer
guliyevemil1
359
271ms
17 Apr 2020
99 Bottles of Beer
1lann
328
383ms
17 Apr 2020
99 Bottles of Beer
tflyons
335
269ms
17 Apr 2020
99 Bottles of Beer
cookieo9
577
293ms
16 Apr 2020
99 Bottles of Beer
hill399
525
296ms
16 Apr 2020
99 Bottles of Beer
lukechampine
329
268ms
16 Apr 2020
99 Bottles of Beer
unkiwii
339
272ms
15 Apr 2020
99 Bottles of Beer
rdrgmnzs
701
265ms
15 Apr 2020
99 Bottles of Beer
SoMuchForSubtlety
458
263ms
15 Apr 2020