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
NFA Simulator
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
NFA Simulator
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
Set
JOrE20
303
10ms
21 hours ago
Set
snoozingnewt
🥈
214
110ms
2 days ago
Set
h3ra993huskp
274
366ms
3 days ago
Set
bitsandbeyond
💎
115
4,914ms
4 days ago
Set
edsrzf
💎
199
201ms
4 days ago
Set
bzijlema
123
39ms
5 days ago
Set
AidanWalter
576
17ms
5 days ago
Set
namelessiw
28
813ms
7 days ago
Set
xsot
🥉
106
1,107ms
8 days ago
Set
Mukundan314
176
10ms
9 days ago
Set
guilhem-roy
192
30ms
10 days ago
Set
snoozingnewt
217
137ms
12 days ago
Set
snoozingnewt
125
410ms
12 days ago
Set
snoozingnewt
126
28ms
12 days ago
Set
rucin93
🥇
151
120ms
14 days ago
Set
emgordon154
54
18ms
14 days ago
Set
error256
🥈
102
865ms
14 days ago
Set
MeWhenI
💎
828
2,674ms
15 days ago
Set
MeWhenI
🥉
391
1,532ms
15 days ago
Set
ovs-code
88
385ms
15 days ago
Set
ovs-code
💎
51
169ms
15 days ago
Set
ovs-code
114
1,003ms
15 days ago
Set
ovs-code
💎
33
336ms
15 days ago
Set
ovs-code
🥇
118
29ms
15 days ago
Set
edsrzf
💎
101
962ms
15 days ago
Set
edsrzf
💎
158
297ms
15 days ago
Set
Yewzir
267
20ms
15 days ago
Set
emgordon154
🥉
60
1,845ms
18 days ago
Set
blaztoma
135
26ms
19 days ago
Set
vhoulbreque
189
154ms
20 days ago
Set
CaedenHarper
251
252ms
22 days ago
Set
MeWhenI
244
366ms
25 days ago
Set
Babafaba
119
692ms
5 Nov 2025
Set
error256
💎
135
4,553ms
4 Nov 2025
Set
CornerMercury
123
614ms
4 Nov 2025
Set
BREMAUCY
99
60ms
4 Nov 2025
Set
albanian-laundromat
123
993ms
3 Nov 2025
Set
snoozingnewt
239
12ms
30 Oct 2025
Set
snoozingnewt
🥉
286
57ms
30 Oct 2025
Set
snoozingnewt
417
77ms
30 Oct 2025
Set
snoozingnewt
345
240ms
30 Oct 2025
Set
snoozingnewt
101
47ms
30 Oct 2025
Set
snoozingnewt
385
56ms
30 Oct 2025
Set
snoozingnewt
🥉
193
27ms
30 Oct 2025
Set
snoozingnewt
556
26ms
30 Oct 2025
Set
snoozingnewt
415
49ms
30 Oct 2025
Set
snoozingnewt
253
447ms
30 Oct 2025
Set
snoozingnewt
🥉
314
35ms
30 Oct 2025
Set
snoozingnewt
208
12ms
30 Oct 2025
Set
snoozingnewt
365
368ms
30 Oct 2025
Set
snoozingnewt
187
167ms
30 Oct 2025
Set
snoozingnewt
306
284ms
30 Oct 2025
Set
snoozingnewt
248
107ms
30 Oct 2025
Set
snoozingnewt
136
899ms
30 Oct 2025
Set
snoozingnewt
271
413ms
30 Oct 2025
Set
snoozingnewt
368
3ms
30 Oct 2025
Set
snoozingnewt
🥉
304
510ms
30 Oct 2025
Set
snoozingnewt
🥉
193
23ms
30 Oct 2025
Set
snoozingnewt
🥉
130
812ms
30 Oct 2025
Set
CatsAreFluffy
190
24ms
30 Oct 2025
Set
kg583
🥈
178
355ms
29 Oct 2025
Set
luuumine
126
27ms
26 Oct 2025
Set
Babafaba
123
29ms
26 Oct 2025
Set
iczelia
247
11ms
25 Oct 2025
Set
albanian-laundromat
🥈
271
497ms
24 Oct 2025
Set
sean-niemann
121
19ms
22 Oct 2025
Set
sean-niemann
🥉
121
149ms
22 Oct 2025
Set
zacjl
💎
105
820ms
22 Oct 2025
Set
jtaxen
133
27ms
20 Oct 2025
Set
CaedenHarper
254
347ms
17 Oct 2025
Set
albanian-laundromat
120
574ms
15 Oct 2025
Set
albanian-laundromat
124
27ms
15 Oct 2025
Set
kmathis22
265
360ms
11 Oct 2025
Set
CaedenHarper
257
347ms
6 Oct 2025
Set
stefangimmillaro
🥈
208
453ms
6 Oct 2025