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
Continued Fractions
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
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
><>
ALGOL 68
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
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
><>
ALGOL 68
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
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
Continued Fractions
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
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
Chars
Time
Submitted
Calendar
solisolu
277
15ms
30 hours ago
Calendar
Languag3
99
15ms
31 hours ago
Calendar
dokutan
🥇
75
16ms
42 hours ago
Calendar
tomh1012
108
15ms
3 days ago
Calendar
Lv0Sys
99
17ms
8 days ago
Calendar
Steffan153
🥇
75
16ms
8 days ago
Calendar
snoozingnewt
🥇
75
16ms
8 days ago
Calendar
firegene
141
17ms
9 days ago
Calendar
lukegustafson
🥇
75
17ms
9 days ago
Calendar
plcc0
76
16ms
11 days ago
Calendar
MeWhenI
103
16ms
11 days ago
Calendar
Aquateraneal
101
16ms
12 days ago
Calendar
Flekay
77
17ms
13 days ago
Calendar
JOrE20
78
16ms
13 days ago
Calendar
RaBa21
192
16ms
15 days ago
Calendar
aksyristos
105
16ms
15 days ago
Calendar
rustykitty
145
17ms
22 days ago
Calendar
SectorCorruptor
118
15ms
26 days ago
Calendar
Andrey2001
186
15ms
27 days ago
Calendar
esmaycat
99
15ms
27 days ago
Calendar
ZakkkkAttackkkk
111
16ms
1 Feb 2026
Calendar
AstroOrbis
905
12ms
1 Feb 2026
Calendar
StefanHabel
103
15ms
1 Feb 2026
Calendar
b-illy
🥇
75
15ms
31 Jan 2026
Calendar
FlorianCassayre
185
18ms
30 Jan 2026
Calendar
Artemis21
105
16ms
22 Jan 2026
Calendar
TaserTheFox
107
15ms
22 Jan 2026
Calendar
D-MOVE
99
16ms
20 Jan 2026
Calendar
FoxInTheClouds
123
16ms
18 Jan 2026
Calendar
scpchicken
111
33ms
16 Jan 2026
Calendar
lelbal
132
16ms
16 Jan 2026
Calendar
JesseNoEyes
257
16ms
15 Jan 2026
Calendar
ryyyn
🥇
75
16ms
15 Jan 2026
Calendar
btjones0
122
16ms
14 Jan 2026
Calendar
jatloe
80
16ms
13 Jan 2026
Calendar
randolchance
141
16ms
13 Jan 2026
Calendar
CheeseCake628
381
20ms
12 Jan 2026
Calendar
Openstreetmapler
🥇
75
17ms
12 Jan 2026
Calendar
Eulentier161
162
17ms
12 Jan 2026
Calendar
antimon2
107
17ms
11 Jan 2026
Calendar
zhaohm14
101
16ms
9 Jan 2026
Calendar
muser-logiccpu
151
16ms
8 Jan 2026
Calendar
KatieLG
76
16ms
7 Jan 2026
Calendar
DialFrost
🥇
75
17ms
7 Jan 2026
Calendar
bzijlema
99
16ms
7 Jan 2026
Calendar
stefangimmillaro
99
16ms
7 Jan 2026
Calendar
celiendonze
137
17ms
6 Jan 2026
Calendar
andrewjc2000
103
16ms
5 Jan 2026
Calendar
hiichbindermax
110
16ms
5 Jan 2026
Calendar
nstearns96
147
16ms
5 Jan 2026
Calendar
zyc-2024
222
16ms
4 Jan 2026
Calendar
Pianoman1
125
16ms
3 Jan 2026
Calendar
fuzzylojik-golf
🥇
75
18ms
3 Jan 2026
Calendar
davecame
101
16ms
2 Jan 2026
Calendar
CatsAreFluffy
350
273ms
2 Jan 2026
Calendar
FortuiteMan
99
16ms
1 Jan 2026
Calendar
bob-th
108
16ms
1 Jan 2026
Calendar
SirBogman
126
16ms
1 Jan 2026
Calendar
4ndyJ
339
17ms
1 Jan 2026
Calendar
nwellnhof
99
16ms
1 Jan 2026
Calendar
error256
99
16ms
1 Jan 2026
Calendar
vhoulbreque
138
17ms
1 Jan 2026
Calendar
JayXon
🥇
75
16ms
1 Jan 2026
Calendar
klixel
117
16ms
1 Jan 2026
Calendar
inventshah
105
16ms
31 Dec 2025
Calendar
retrohun
172
16ms
31 Dec 2025
Calendar
LostSyntax21
210
15ms
30 Dec 2025
Calendar
edsrzf
🥇
75
16ms
30 Dec 2025
Calendar
HumanoidCPU
98
17ms
30 Dec 2025
Calendar
cros107
101
16ms
28 Dec 2025
Calendar
Pyroan
101
15ms
27 Dec 2025
Calendar
CommandLeo
101
17ms
26 Dec 2025
Calendar
jared-hughes
132
16ms
26 Dec 2025
Calendar
NoneTheFewer
136
18ms
26 Dec 2025
Calendar
martindotexe
135
16ms
25 Dec 2025
Calendar
emgordon154
🥇
75
17ms
24 Dec 2025
Calendar
ahmetdemirag
101
15ms
24 Dec 2025
Calendar
CaedenHarper
99
16ms
23 Dec 2025
Calendar
madex
105
16ms
22 Dec 2025
Calendar
KasperKivimaeki
101
15ms
22 Dec 2025