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
Alphabetic Numbers
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
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
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
ArkScript
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
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
Alphabetic Numbers
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
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Christmas Trees
fantaize
336
147ms
10 days ago
Christmas Trees
sean-niemann
🥇
89
123ms
6 Jan 2026
Christmas Trees
ian-h-chamberlain
100
146ms
29 Dec 2025
Christmas Trees
acotis
🥇
89
126ms
21 Dec 2025
Christmas Trees
luuumine
120
155ms
8 Dec 2025
Christmas Trees
KatieLG
318
204ms
30 Nov 2025
Christmas Trees
lynn
90
134ms
9 Nov 2025
Christmas Trees
kumavale
🥇
89
135ms
30 Aug 2025
Christmas Trees
CaedenHarper
565
116ms
16 Aug 2025
Christmas Trees
vidanm
113
146ms
5 Jun 2025
Christmas Trees
emgordon154
98
144ms
23 Feb 2025
Christmas Trees
nullie
94
153ms
31 Dec 2024
Christmas Trees
dokutan
120
149ms
13 Jul 2024
Christmas Trees
Aurel300
120
144ms
30 Jun 2024
Christmas Trees
HumanoidCPU
565
106ms
13 May 2024
Christmas Trees
mousetail
116
149ms
19 Jan 2024
Christmas Trees
xbxbxb007
135
159ms
10 Jan 2024
Christmas Trees
drabart
96
148ms
15 Dec 2023
Christmas Trees
stefangimmillaro
106
154ms
20 Oct 2023
Christmas Trees
hotmanga
133
154ms
18 Oct 2023
Christmas Trees
Ignition
102
152ms
12 Oct 2023
Christmas Trees
msbranicky
120
148ms
6 Oct 2023
Christmas Trees
elgan65536
98
147ms
27 Sep 2023
Christmas Trees
Shanethegamer
565
110ms
13 Sep 2023
Christmas Trees
yamhab
122
150ms
13 Sep 2023
Christmas Trees
WatMan77
129
154ms
16 Aug 2023
Christmas Trees
ovs-code
106
144ms
28 Jun 2023
Christmas Trees
klixel
106
152ms
4 Jun 2023
Christmas Trees
retrohun
565
108ms
27 Dec 2022
Christmas Trees
snobee
93
134ms
12 Dec 2022
Christmas Trees
prplz
92
130ms
14 Sep 2022
Christmas Trees
JayXon
🥇
89
157ms
2 Aug 2022
Christmas Trees
KatieLG-Transpiler
622
105ms
24 Jun 2022
Christmas Trees
TheSmilingTurtle
126
165ms
5 Jun 2022
Christmas Trees
Joe-V2
590
114ms
19 Apr 2022
Christmas Trees
verticallity
111
166ms
6 Apr 2022
Christmas Trees
Ernest1338
143
155ms
20 Feb 2022
Christmas Trees
Eolu
119
154ms
20 Jan 2022
Christmas Trees
JGDoerrer
122
152ms
18 Jan 2022
Christmas Trees
Pena86
120
148ms
25 Dec 2021
Christmas Trees
wellsie1116
115
146ms
14 Dec 2021
Christmas Trees
mokymok
619
107ms
16 Nov 2021
Christmas Trees
MeWhenI
565
109ms
29 Jul 2021
Christmas Trees
abel465
114
157ms
7 May 2021
Christmas Trees
xDavidL
102
132ms
6 May 2021
Christmas Trees
zeerooth
129
153ms
2 Feb 2021
Christmas Trees
jiaminglimjm
125
154ms
6 Jan 2021
Christmas Trees
btjones0
102
126ms
29 Dec 2020
Christmas Trees
matthewproskils
123
147ms
14 Dec 2020
Christmas Trees
detrumi
107
143ms
22 Oct 2020
Christmas Trees
SpeedyNinja
125
163ms
19 Oct 2020
Christmas Trees
WhoisDavid
95
128ms
30 Sep 2020
Christmas Trees
Domicnt
153
128ms
16 Jun 2020
Christmas Trees
antonymerle
273
157ms
26 May 2020
Christmas Trees
andersk
93
124ms
18 Mar 2020
Christmas Trees
frozolotl
107
148ms
9 Jan 2020
Christmas Trees
primo-ppcg
93
139ms
9 Jan 2020
Christmas Trees
deltaphc
128
124ms
7 Jan 2020
Christmas Trees
timvermeulen
96
149ms
6 Jan 2020
Christmas Trees
SolidTux
151
144ms
6 Jan 2020
Christmas Trees
d0x2f
129
154ms
5 Jan 2020
Christmas Trees
Skepfyr
107
154ms
4 Jan 2020
Christmas Trees
nipzu
117
143ms
4 Jan 2020
Christmas Trees
isaacg1
120
149ms
4 Jan 2020
Christmas Trees
scottpenn
148
138ms
4 Jan 2020