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
Arrows
ahmetdemirag
135
13ms
15 hours ago
Arrows
te-chnical
185
11ms
3 days ago
Arrows
amazingalek
167
442ms
3 days ago
Arrows
JOrE20
156
12ms
3 days ago
Arrows
BREMAUCY
190
94ms
6 days ago
Arrows
BREMAUCY
203
108ms
7 days ago
Arrows
Protothor
135
13ms
8 days ago
Arrows
BREMAUCY
208
355ms
9 days ago
Arrows
BREMAUCY
146
632ms
9 days ago
Arrows
BREMAUCY
146
10ms
9 days ago
Arrows
NoneTheFewer
411
11ms
9 days ago
Arrows
BREMAUCY
205
3ms
9 days ago
Arrows
mwarvik
320
495ms
11 days ago
Arrows
TheZwierzLF
190
39ms
12 days ago
Arrows
jared-hughes
122
2ms
12 days ago
Arrows
albanian-laundromat
174
3ms
16 days ago
Arrows
bitsandbeyond
160
3ms
18 days ago
Arrows
bitsandbeyond
🥉
172
122ms
18 days ago
Arrows
dokutan
108
1,687ms
18 days ago
Arrows
prestosilver
228
2ms
20 days ago
Arrows
ravnskjaer
244
582ms
20 days ago
Arrows
snoozingnewt
118
4,817ms
21 days ago
Arrows
blaztoma
113
11ms
21 days ago
Arrows
edsrzf
221
7ms
22 days ago
Arrows
dokutan
579
157ms
22 days ago
Arrows
dokutan
129
208ms
22 days ago
Arrows
dokutan
🥉
827
11ms
22 days ago
Arrows
bizy-coder
117
10ms
25 days ago
Arrows
kg583
🥈
127
8ms
26 days ago
Arrows
snoozingnewt
141
75ms
26 days ago
Arrows
snoozingnewt
🥉
162
4ms
26 days ago
Arrows
snoozingnewt
100
1,317ms
26 days ago
Arrows
snoozingnewt
185
3ms
26 days ago
Arrows
snoozingnewt
93
50ms
26 days ago
Arrows
snoozingnewt
116
168ms
26 days ago
Arrows
snoozingnewt
121
224ms
26 days ago
Arrows
snoozingnewt
118
14ms
26 days ago
Arrows
snoozingnewt
146
573ms
26 days ago
Arrows
snoozingnewt
🥉
162
1,389ms
26 days ago
Arrows
snoozingnewt
178
8ms
26 days ago
Arrows
snoozingnewt
125
359ms
26 days ago
Arrows
snoozingnewt
135
22ms
26 days ago
Arrows
snoozingnewt
137
177ms
26 days ago
Arrows
snoozingnewt
201
7ms
26 days ago
Arrows
snoozingnewt
77
671ms
26 days ago
Arrows
snoozingnewt
81
11ms
26 days ago
Arrows
snoozingnewt
🥈
150
148ms
26 days ago
Arrows
Kacarott
126
85ms
26 days ago
Arrows
sean-niemann
💎
101
2ms
7 Dec 2025
Arrows
moozzi
152
45ms
7 Dec 2025
Arrows
LostSyntax21
135
10ms
6 Dec 2025
Arrows
lukegustafson
🥉
75
33ms
6 Dec 2025
Arrows
slimer37
119
11ms
6 Dec 2025
Arrows
kmathis22
149
1,393ms
5 Dec 2025
Arrows
Lv0Sys
127
15ms
5 Dec 2025
Arrows
emgordon154
💎
144
193ms
3 Dec 2025
Arrows
blaztoma
🥉
182
227ms
1 Dec 2025
Arrows
Yewzir
256
105ms
1 Dec 2025
Arrows
Yewzir
439
149ms
1 Dec 2025
Arrows
h3ra993huskp
143
797ms
30 Nov 2025
Arrows
Maashau
294
3ms
29 Nov 2025
Arrows
CommandLeo
125
12ms
28 Nov 2025
Arrows
maweowo
65
4ms
27 Nov 2025
Arrows
duckyluuk
🥉
139
12ms
27 Nov 2025
Arrows
MyltsinVV
180
13ms
27 Nov 2025
Arrows
GrayJoKing
💎
119
7ms
27 Nov 2025
Arrows
AidanWalter
883
3ms
27 Nov 2025
Arrows
AidanWalter
755
744ms
27 Nov 2025
Arrows
AidanWalter
788
172ms
27 Nov 2025
Arrows
AidanWalter
965
464ms
27 Nov 2025
Arrows
Andrey2001
167
620ms
26 Nov 2025
Arrows
solisolu
127
11ms
25 Nov 2025
Arrows
Andrey2001
175
10ms
25 Nov 2025
Arrows
TheZwierzLF
203
934ms
24 Nov 2025
Arrows
dokutan
211
400ms
24 Nov 2025
Arrows
Ralac07
134
12ms
24 Nov 2025
Arrows
Ralac07
245
13ms
24 Nov 2025
Arrows
TheZwierzLF
225
12ms
23 Nov 2025
Arrows
HumanoidCPU
150
88ms
23 Nov 2025
Arrows
HumanoidCPU
150
150ms
23 Nov 2025