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
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
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
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
Lily
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
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
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
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
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
Bytes
Time
Submitted
Lucky Numbers
tomh1012
245
258ms
3 days ago
Lucky Numbers
KasperKivimaeki
🥇
120
262ms
12 days ago
Lucky Numbers
sean-niemann
123
374ms
7 Jan 2026
Lucky Numbers
Lv0Sys
199
267ms
28 Dec 2025
Lucky Numbers
JOrE20
234
263ms
23 Dec 2025
Lucky Numbers
albanian-laundromat
170
295ms
22 Dec 2025
Lucky Numbers
dokutan
2,822
290ms
12 Dec 2025
Lucky Numbers
CaedenHarper
194
276ms
2 Dec 2025
Lucky Numbers
Adix-null
407
322ms
27 Nov 2025
Lucky Numbers
Babafaba
4,869
319ms
24 Oct 2025
Lucky Numbers
kmathis22
216
282ms
10 Oct 2025
Lucky Numbers
InigoK
5,873
264ms
20 Sep 2025
Lucky Numbers
kkoenig
201
279ms
7 Sep 2025
Lucky Numbers
blaztoma
246
336ms
5 Sep 2025
Lucky Numbers
GolfingSuccess
4,867
287ms
16 Aug 2025
Lucky Numbers
0xjac
207
304ms
7 Jun 2025
Lucky Numbers
heanyang1
200
270ms
29 May 2025
Lucky Numbers
BREMAUCY
245
561ms
21 May 2025
Lucky Numbers
keelimeguy
192
277ms
28 Apr 2025
Lucky Numbers
DialFrost
123
310ms
28 Apr 2025
Lucky Numbers
plcc0
184
274ms
21 Mar 2025
Lucky Numbers
yhm138
1,269
278ms
17 Feb 2025
Lucky Numbers
error256
2,761
269ms
15 Feb 2025
Lucky Numbers
acotis
5,873
267ms
6 Feb 2025
Lucky Numbers
olleicua
5,869
270ms
23 Jan 2025
Lucky Numbers
JunkIce
4,872
271ms
19 Jan 2025
Lucky Numbers
emgordon154
205
278ms
18 Jan 2025
Lucky Numbers
AidanWalter
420
316ms
2 Jan 2025
Lucky Numbers
adamnielson42
4,907
279ms
3 Dec 2024
Lucky Numbers
edsrzf
212
258ms
8 Nov 2024
Lucky Numbers
neihousaigaai
187
278ms
22 Oct 2024
Lucky Numbers
Mabeloid
5,871
289ms
20 Sep 2024
Lucky Numbers
madeforlosers
4,875
258ms
13 Sep 2024
Lucky Numbers
HumanoidCPU
202
269ms
26 Aug 2024
Lucky Numbers
rifatx
210
291ms
17 Jul 2024
Lucky Numbers
Jacob385
4,872
265ms
10 Jul 2024
Lucky Numbers
Ralac07
5,872
275ms
20 Jun 2024
Lucky Numbers
RaBa21
5,871
277ms
28 Mar 2024
Lucky Numbers
jared-hughes
132
267ms
27 Feb 2024
Lucky Numbers
hrubymar10
4,867
283ms
23 Feb 2024
Lucky Numbers
Shanethegamer
139
266ms
7 Feb 2024
Lucky Numbers
JRaspass
215
293ms
7 Feb 2024
Lucky Numbers
snoozingnewt
242
299ms
4 Feb 2024
Lucky Numbers
yuchuehw
284
346ms
28 Jan 2024
Lucky Numbers
jerrandolph
240
357ms
21 Dec 2023
Lucky Numbers
jupj
172
282ms
13 Nov 2023
Lucky Numbers
mpldr
4,870
268ms
31 Oct 2023
Lucky Numbers
Yewzir
221
292ms
25 Oct 2023
Lucky Numbers
arctouch-cristiannevianna
148
280ms
19 Oct 2023
Lucky Numbers
msbranicky
285
284ms
28 Sep 2023
Lucky Numbers
SB-945
5,874
285ms
24 Sep 2023
Lucky Numbers
GrayJoKing
123
270ms
7 Sep 2023
Lucky Numbers
adriweb
309
297ms
17 Aug 2023
Lucky Numbers
jacobly0
208
262ms
17 Aug 2023
Lucky Numbers
Schmitt-Very-Cool
5,871
272ms
2 Aug 2023
Lucky Numbers
jmerle
4,872
256ms
6 Jul 2023
Lucky Numbers
stefangimmillaro
156
291ms
22 Jun 2023
Lucky Numbers
janbehrens
185
297ms
22 Jun 2023
Lucky Numbers
TaserTheFox
4,872
281ms
1 Jun 2023
Lucky Numbers
zakariamouhid
4,932
283ms
20 May 2023
Lucky Numbers
5cw
278
259ms
22 Apr 2023
Lucky Numbers
commandz0
5,871
269ms
16 Apr 2023
Lucky Numbers
Narik1
246
268ms
3 Apr 2023
Lucky Numbers
zt14427
5,888
287ms
4 Mar 2023
Lucky Numbers
neel11235813
5,866
285ms
4 Mar 2023
Lucky Numbers
KatieLG
198
432ms
22 Jan 2023
Lucky Numbers
Betuaredead
2,471
260ms
19 Jan 2023
Lucky Numbers
andersk
4,867
261ms
17 Jan 2023
Lucky Numbers
kimbo
193
269ms
13 Jan 2023
Lucky Numbers
retrohun
5,871
268ms
28 Dec 2022
Lucky Numbers
Msleizak
486
308ms
16 Dec 2022
Lucky Numbers
scpchicken
5,887
269ms
3 Dec 2022
Lucky Numbers
aksyristos
441
292ms
25 Oct 2022
Lucky Numbers
emplv
121
272ms
29 Aug 2022
Lucky Numbers
KatieLG-Transpiler
4,869
279ms
24 Jun 2022
Lucky Numbers
nwellnhof
🥇
120
293ms
24 May 2022
Lucky Numbers
j-Ewan
186
273ms
11 Mar 2022
Lucky Numbers
JayXon
🥇
120
278ms
2 Mar 2022
Lucky Numbers
MeWhenI
148
273ms
1 Mar 2022