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
Bytes
Time
Submitted
Christmas Trees
albanian-laundromat
🥈
87
4ms
32 hours ago
Christmas Trees
TheZwierzLF
83
421ms
45 hours ago
Christmas Trees
dokutan
203
98ms
2 days ago
Christmas Trees
EvilFonti
112
355ms
3 days ago
Christmas Trees
dokutan
203
813ms
4 days ago
Christmas Trees
bizy-coder
71
10ms
5 days ago
Christmas Trees
johnkiernander
125
9ms
5 days ago
Christmas Trees
GrayJoKing
🥈
96
91ms
5 days ago
Christmas Trees
Kacarott
💎
87
61ms
5 days ago
Christmas Trees
09cf
71
10ms
6 days ago
Christmas Trees
frankgraziano
🥈
247
11ms
6 days ago
Christmas Trees
luuumine
120
143ms
6 days ago
Christmas Trees
rhdqor213
💎
77
2ms
6 days ago
Christmas Trees
HumanoidCPU
807
7ms
8 days ago
Christmas Trees
HumanoidCPU
875
6ms
8 days ago
Christmas Trees
HumanoidCPU
598
242ms
8 days ago
Christmas Trees
HumanoidCPU
807
2ms
8 days ago
Christmas Trees
Natanaelel
79
137ms
8 days ago
Christmas Trees
D-MOVE
59
32ms
9 days ago
Christmas Trees
snoozingnewt
79
529ms
9 days ago
Christmas Trees
snoozingnewt
79
9ms
9 days ago
Christmas Trees
dokutan
174
2ms
9 days ago
Christmas Trees
stephanie-flower
114
9ms
9 days ago
Christmas Trees
JOrE20
424
107ms
9 days ago
Christmas Trees
JOrE20
309
2ms
10 days ago
Christmas Trees
albanian-laundromat
142
255ms
11 days ago
Christmas Trees
Shanethegamer
565
102ms
11 days ago
Christmas Trees
DialFrost
🥈
106
97ms
11 days ago
Christmas Trees
emgordon154
💎
94
108ms
11 days ago
Christmas Trees
albanian-laundromat
97
40ms
11 days ago
Christmas Trees
edsrzf
🥉
117
136ms
12 days ago
Christmas Trees
CaedenHarper
621
105ms
13 days ago
Christmas Trees
albanian-laundromat
119
468ms
13 days ago
Christmas Trees
albanian-laundromat
84
9ms
13 days ago
Christmas Trees
albanian-laundromat
107
66ms
13 days ago
Christmas Trees
albanian-laundromat
🥇
73
3ms
13 days ago
Christmas Trees
solisolu
86
10ms
13 days ago
Christmas Trees
albanian-laundromat
177
415ms
13 days ago
Christmas Trees
ScottHamper
108
447ms
14 days ago
Christmas Trees
KatieLG
307
1,305ms
14 days ago
Christmas Trees
KatieLG
289
103ms
14 days ago
Christmas Trees
KatieLG
278
6ms
14 days ago
Christmas Trees
KatieLG
301
96ms
14 days ago
Christmas Trees
KatieLG
300
623ms
14 days ago
Christmas Trees
KatieLG
287
77ms
14 days ago
Christmas Trees
KatieLG
315
292ms
14 days ago
Christmas Trees
KatieLG
304
152ms
14 days ago
Christmas Trees
KatieLG
310
69ms
14 days ago
Christmas Trees
KatieLG
318
198ms
14 days ago
Christmas Trees
KatieLG
261
3ms
14 days ago
Christmas Trees
KatieLG
315
5ms
14 days ago
Christmas Trees
KatieLG
301
4,532ms
14 days ago
Christmas Trees
KatieLG
335
402ms
14 days ago
Christmas Trees
KatieLG
360
257ms
14 days ago
Christmas Trees
KatieLG
321
103ms
14 days ago
Christmas Trees
KatieLG
361
6ms
14 days ago
Christmas Trees
KatieLG
342
1ms
14 days ago
Christmas Trees
KatieLG
305
122ms
14 days ago
Christmas Trees
Lv0Sys
107
1ms
15 days ago
Christmas Trees
Lv0Sys
70
389ms
15 days ago
Christmas Trees
h3ra993huskp
132
440ms
15 days ago
Christmas Trees
Maashau
135
2ms
15 days ago
Christmas Trees
Lv0Sys
92
9ms
15 days ago
Christmas Trees
Lv0Sys
87
10ms
15 days ago
Christmas Trees
vhoulbreque
80
10ms
15 days ago
Christmas Trees
Lv0Sys
62
35ms
15 days ago
Christmas Trees
blaztoma
135
116ms
16 days ago
Christmas Trees
JOrE20
🥈
307
6ms
16 days ago
Christmas Trees
HumanoidCPU
580
47ms
17 days ago
Christmas Trees
AlephSquirrel
🥉
93
6ms
18 days ago
Christmas Trees
dokutan
220
2ms
18 days ago
Christmas Trees
Andrey2001
82
518ms
18 days ago
Christmas Trees
blaztoma
78
10ms
18 days ago
Christmas Trees
albanian-laundromat
79
485ms
21 days ago
Christmas Trees
albanian-laundromat
79
9ms
21 days ago