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
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
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
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
Christmas Trees
HumanoidCPU
563
308ms
9 Nov 2025
Christmas Trees
gpikmddk
195
337ms
29 Oct 2025
Christmas Trees
CaedenHarper
134
339ms
17 Oct 2025
Christmas Trees
AdrienHache
112
356ms
13 Aug 2025
Christmas Trees
kodaimasano
175
331ms
2 Jul 2025
Christmas Trees
OmameBeans
123
327ms
30 Jun 2025
Christmas Trees
mntdn
193
337ms
18 Jun 2025
Christmas Trees
KAKISKA-code
167
352ms
24 May 2025
Christmas Trees
Tyrant7
126
336ms
19 Apr 2025
Christmas Trees
Pecanolith
138
331ms
19 Apr 2025
Christmas Trees
Re-Adventures
156
344ms
15 Apr 2025
Christmas Trees
kevinnaviapaiva
288
333ms
26 Feb 2025
Christmas Trees
Yax42
102
326ms
29 Jan 2025
Christmas Trees
Bubblesphere
130
336ms
24 Dec 2024
Christmas Trees
Shanethegamer
122
337ms
29 Oct 2024
Christmas Trees
aliakseikalosha
138
338ms
3 Oct 2024
Christmas Trees
dokutan
137
330ms
20 Aug 2024
Christmas Trees
samtc-lau
161
333ms
1 Aug 2024
Christmas Trees
KatieLG
145
331ms
30 Jul 2024
Christmas Trees
SrGalletaEXT
131
339ms
24 Jul 2024
Christmas Trees
bac0id
130
323ms
5 Jul 2024
Christmas Trees
rifatx
136
340ms
5 Jul 2024
Christmas Trees
namelessiw
103
337ms
2 Jul 2024
Christmas Trees
JarrodCope
230
336ms
19 Apr 2024
Christmas Trees
arctouch-cristiannevianna
141
340ms
8 Feb 2024
Christmas Trees
TRexOnGit
126
333ms
30 Jan 2024
Christmas Trees
dpethes
145
344ms
15 Jan 2024
Christmas Trees
xbxbxb007
277
337ms
10 Jan 2024
Christmas Trees
Yewzir
127
324ms
30 Dec 2023
Christmas Trees
FreyLuis
130
327ms
8 Dec 2023
Christmas Trees
LS2021
145
344ms
24 Nov 2023
Christmas Trees
snoozingnewt
139
313ms
4 Nov 2023
Christmas Trees
hotmanga
277
349ms
18 Oct 2023
Christmas Trees
ccolella-mdc
173
347ms
12 Oct 2023
Christmas Trees
Joe85gr
175
336ms
30 Sep 2023
Christmas Trees
msbranicky
164
334ms
14 Sep 2023
Christmas Trees
JayXon
🥈
92
326ms
14 Jul 2023
Christmas Trees
Lydxn
💎
87
314ms
14 Jul 2023
Christmas Trees
sean-niemann
100
332ms
13 Jul 2023
Christmas Trees
Adix-null
124
333ms
23 Jun 2023
Christmas Trees
kawamuu5
136
334ms
15 Jun 2023
Christmas Trees
annaproxy
133
338ms
22 May 2023
Christmas Trees
GulgDev
147
331ms
22 Mar 2023
Christmas Trees
retrohun
616
312ms
27 Dec 2022
Christmas Trees
postie77
106
324ms
21 Dec 2022
Christmas Trees
astdefu
191
336ms
16 Dec 2022
Christmas Trees
tomtheisen
105
334ms
14 Dec 2022
Christmas Trees
ChrisTheisen
144
338ms
14 Dec 2022
Christmas Trees
zer0bits42
280
358ms
1 Dec 2022
Christmas Trees
MichalMarsalek
149
327ms
9 Nov 2022
Christmas Trees
MeWhenI
109
325ms
27 Oct 2022
Christmas Trees
stefangimmillaro
116
336ms
17 Oct 2022
Christmas Trees
Kloppermand
134
326ms
7 Oct 2022
Christmas Trees
m-tkach
117
336ms
5 Oct 2022
Christmas Trees
Elf-Lord-Games
161
363ms
26 Sep 2022
Christmas Trees
eshilo-draper
152
341ms
4 Sep 2022
Christmas Trees
antonfridh
201
353ms
17 Aug 2022
Christmas Trees
hamhub7
150
323ms
10 Aug 2022
Christmas Trees
brianonymous
124
331ms
31 Jul 2022
Christmas Trees
hemphen
128
322ms
30 Jul 2022
Christmas Trees
bschorno
132
335ms
29 Jul 2022
Christmas Trees
KatieLG-Transpiler
620
315ms
23 Jun 2022
Christmas Trees
roavin
120
331ms
9 Jun 2022
Christmas Trees
Romain-1
114
332ms
9 May 2022
Christmas Trees
Gaddy
114
352ms
9 May 2022
Christmas Trees
logicolor
122
321ms
28 Apr 2022
Christmas Trees
edwinvanschaick
109
338ms
25 Apr 2022
Christmas Trees
c0d3-4-F00d
146
341ms
19 Apr 2022
Christmas Trees
Joe-V2
741
318ms
19 Apr 2022
Christmas Trees
foxmcloud555
119
332ms
16 Apr 2022
Christmas Trees
tbschff
163
298ms
15 Apr 2022
Christmas Trees
ericlangedijk
139
347ms
16 Mar 2022
Christmas Trees
HassanAliKadhem
145
345ms
14 Jan 2022
Christmas Trees
krcs
157
340ms
26 Dec 2021
Christmas Trees
PlatypusEggs
159
319ms
20 Dec 2021