Recent Solutions
Prev Hole
Play Hole
Next Hole
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
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
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
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Topological Sort
Trinomial Triangle
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
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
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
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
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
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
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
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
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
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
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Topological Sort
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Christmas Trees
Zhenyu-Bo
205
3 hours ago
Christmas Trees
kg583
💎
91
10 hours ago
Christmas Trees
osNiko
90
19 hours ago
Christmas Trees
Shanethegamer
619
46 hours ago
Christmas Trees
wuduculfre
89
2 days ago
Christmas Trees
osNiko
89
2 days ago
Christmas Trees
LuisGoncalves05
121
2 days ago
Christmas Trees
LuisGoncalves05
398
3 days ago
Christmas Trees
albanian-laundromat
81
6 days ago
Christmas Trees
Upload-and-View
121
6 days ago
Christmas Trees
xiaoyiming123
119
7 days ago
Christmas Trees
kevinnaviapaiva
215
7 days ago
Christmas Trees
kevinnaviapaiva
266
7 days ago
Christmas Trees
ryyyn
73
7 days ago
Christmas Trees
Sharrrkkk
104
9 days ago
Christmas Trees
dokutan
354
10 days ago
Christmas Trees
RaBa21
94
11 days ago
Christmas Trees
albanian-laundromat
118
12 days ago
Christmas Trees
fkantelberg
89
14 days ago
Christmas Trees
dokutan
102
14 days ago
Christmas Trees
pardouin
59
15 days ago
Christmas Trees
pardouin
58
15 days ago
Christmas Trees
dokutan
171
15 days ago
Christmas Trees
XenThe
94
16 days ago
Christmas Trees
LeoTheMiner12
119
17 days ago
Christmas Trees
Flekay
87
19 days ago
Christmas Trees
targrik
152
20 days ago
Christmas Trees
kaascevich
92
21 days ago
Christmas Trees
matejmatik123
160
21 days ago
Christmas Trees
dirckvdende
79
22 days ago
Christmas Trees
fuzzylojik-golf
78
24 days ago
Christmas Trees
codewrite
106
26 days ago
Christmas Trees
dokutan
368
26 days ago
Christmas Trees
Shanethegamer
571
26 days ago
Christmas Trees
sean-niemann
72
27 days ago
Christmas Trees
mossiegoat
89
27 days ago
Christmas Trees
KasperKivimaeki
86
27 days ago
Christmas Trees
Shanethegamer
554
2 Jul 2025
Christmas Trees
Mukundan314
71
2 Jul 2025
Christmas Trees
kodaimasano
175
2 Jul 2025
Christmas Trees
gautambp
106
30 Jun 2025
Christmas Trees
OmameBeans
123
30 Jun 2025
Christmas Trees
edsrzf
98
29 Jun 2025
Christmas Trees
dokutan
186
28 Jun 2025
Christmas Trees
dokutan
715
28 Jun 2025
Christmas Trees
Brokames
90
28 Jun 2025
Christmas Trees
unfinishedprogram
116
27 Jun 2025
Christmas Trees
bknower
82
26 Jun 2025
Christmas Trees
andrewjc2000
85
25 Jun 2025
Christmas Trees
Ripick
70
24 Jun 2025
Christmas Trees
targrik
79
24 Jun 2025
Christmas Trees
Rago-Tony
125
24 Jun 2025
Christmas Trees
acollett89
107
23 Jun 2025
Christmas Trees
gigaprofisi
551
20 Jun 2025
Christmas Trees
whateveritwas
121
19 Jun 2025
Christmas Trees
mntdn
193
18 Jun 2025
Christmas Trees
paiv
91
16 Jun 2025
Christmas Trees
olleicua
63
13 Jun 2025
Christmas Trees
themoonisacheese
62
13 Jun 2025
Christmas Trees
CoolBvll
90
12 Jun 2025
Christmas Trees
smilesformiles3
83
12 Jun 2025
Christmas Trees
emgordon154
162
9 Jun 2025
Christmas Trees
0xjac
149
9 Jun 2025
Christmas Trees
sean-niemann
100
8 Jun 2025
Christmas Trees
perlebach
🥉
82
7 Jun 2025
Christmas Trees
perlebach
54
7 Jun 2025
Christmas Trees
KatieLG
332
7 Jun 2025
Christmas Trees
sean-niemann
68
6 Jun 2025
Christmas Trees
lyxal
35
6 Jun 2025
Christmas Trees
vidanm
113
5 Jun 2025
Christmas Trees
HumanoidCPU
554
5 Jun 2025
Christmas Trees
HumanoidCPU
547
5 Jun 2025
Christmas Trees
HumanoidCPU
559
5 Jun 2025
Christmas Trees
HumanoidCPU
554
5 Jun 2025
Christmas Trees
HumanoidCPU
557
5 Jun 2025