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
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
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
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
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
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
Erlang
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
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
Erlang
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
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
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Gijswijt’s Sequence
HumanoidCPU
2,030
327ms
8 hours ago
Gijswijt’s Sequence
MeWhenI
🥈
493
1,523ms
19 hours ago
Gijswijt’s Sequence
MeWhenI
🥇
106
1,682ms
20 hours ago
Gijswijt’s Sequence
dokutan
🥈
211
826ms
28 hours ago
Gijswijt’s Sequence
JOrE20
146
9ms
47 hours ago
Gijswijt’s Sequence
gigaprofisi
2,009
39ms
2 days ago
Gijswijt’s Sequence
bricknellj
108
613ms
2 days ago
Gijswijt’s Sequence
CornerMercury
123
11ms
3 days ago
Gijswijt’s Sequence
edsrzf
101
433ms
3 days ago
Gijswijt’s Sequence
HumanoidCPU
5,013
3,209ms
3 days ago
Gijswijt’s Sequence
ovs-code
🥈
48
2,321ms
4 days ago
Gijswijt’s Sequence
HumanoidCPU
3,002
3ms
4 days ago
Gijswijt’s Sequence
Babafaba
173
96ms
4 days ago
Gijswijt’s Sequence
Babafaba
169
609ms
4 days ago
Gijswijt’s Sequence
CaedenHarper
213
270ms
4 days ago
Gijswijt’s Sequence
kumavale
146
138ms
7 days ago
Gijswijt’s Sequence
snoozingnewt
107
1,924ms
9 days ago
Gijswijt’s Sequence
Jacob385
2,030
330ms
11 days ago
Gijswijt’s Sequence
KasperKivimaeki
107
133ms
14 days ago
Gijswijt’s Sequence
iczelia
4,262
2ms
14 days ago
Gijswijt’s Sequence
KatieLG
3,021
137ms
14 days ago
Gijswijt’s Sequence
bitsandbeyond
72
189ms
15 days ago
Gijswijt’s Sequence
emgordon154
63
36ms
16 days ago
Gijswijt’s Sequence
frankgraziano
🥉
323
170ms
16 days ago
Gijswijt’s Sequence
dokutan
2,013
22ms
17 days ago
Gijswijt’s Sequence
sean-niemann
96
157ms
17 days ago
Gijswijt’s Sequence
CaedenHarper
175
335ms
18 days ago
Gijswijt’s Sequence
dokutan
🥉
2,779
1,563ms
18 days ago
Gijswijt’s Sequence
albanian-laundromat
284
3,455ms
18 days ago
Gijswijt’s Sequence
luuumine
123
747ms
19 days ago
Gijswijt’s Sequence
snoozingnewt
156
2,339ms
19 days ago
Gijswijt’s Sequence
BrunoVisnadi
107
1,185ms
19 days ago
Gijswijt’s Sequence
CaedenHarper
179
359ms
23 days ago
Gijswijt’s Sequence
mossiegoat
201
1,003ms
25 days ago
Gijswijt’s Sequence
KasperKivimaeki
🥉
104
85ms
27 days ago
Gijswijt’s Sequence
radarek
💎
45
2,723ms
10 Oct 2025
Gijswijt’s Sequence
snoozingnewt
183
760ms
9 Oct 2025
Gijswijt’s Sequence
snoozingnewt
332
1,805ms
8 Oct 2025
Gijswijt’s Sequence
HumanoidCPU
2,008
2ms
6 Oct 2025
Gijswijt’s Sequence
targrik
128
759ms
6 Oct 2025
Gijswijt’s Sequence
stefangimmillaro
181
436ms
6 Oct 2025
Gijswijt’s Sequence
nathanadams
88
25ms
6 Oct 2025
Gijswijt’s Sequence
aksyristos
149
634ms
5 Oct 2025
Gijswijt’s Sequence
namelessiw
138
352ms
4 Oct 2025
Gijswijt’s Sequence
jacekwladzinski
135
1,468ms
4 Oct 2025
Gijswijt’s Sequence
maweowo
66
943ms
2 Oct 2025
Gijswijt’s Sequence
CaedenHarper
114
1,134ms
30 Sep 2025
Gijswijt’s Sequence
Schmitt-Very-Cool
264
529ms
30 Sep 2025
Gijswijt’s Sequence
emgordon154
113
2,999ms
28 Sep 2025
Gijswijt’s Sequence
Shanethegamer
3,053
1,674ms
28 Sep 2025
Gijswijt’s Sequence
blaztoma
118
647ms
28 Sep 2025
Gijswijt’s Sequence
emgordon154
137
533ms
28 Sep 2025
Gijswijt’s Sequence
emgordon154
🥈
211
834ms
28 Sep 2025
Gijswijt’s Sequence
snoozingnewt
196
3,835ms
27 Sep 2025
Gijswijt’s Sequence
kg583
🥇
88
5ms
26 Sep 2025
Gijswijt’s Sequence
sean-niemann
138
352ms
26 Sep 2025
Gijswijt’s Sequence
JayXon
🥇
106
1,667ms
25 Sep 2025
Gijswijt’s Sequence
nwellnhof
🥇
106
1,660ms
25 Sep 2025
Gijswijt’s Sequence
acotis
🥈
136
148ms
25 Sep 2025
Gijswijt’s Sequence
Shanethegamer
176
372ms
25 Sep 2025
Gijswijt’s Sequence
dokutan
180
334ms
24 Sep 2025
Gijswijt’s Sequence
snoozingnewt
121
218ms
24 Sep 2025
Gijswijt’s Sequence
DialFrost
148
350ms
24 Sep 2025
Gijswijt’s Sequence
KatieLG
2,047
344ms
24 Sep 2025
Gijswijt’s Sequence
davitf
93
10ms
24 Sep 2025
Gijswijt’s Sequence
albanian-laundromat
113
1,225ms
23 Sep 2025
Gijswijt’s Sequence
annaproxy
🥉
134
3,444ms
22 Sep 2025
Gijswijt’s Sequence
annaproxy
115
647ms
22 Sep 2025
Gijswijt’s Sequence
CaedenHarper
110
1,818ms
20 Sep 2025
Gijswijt’s Sequence
CaedenHarper
110
1,802ms
20 Sep 2025
Gijswijt’s Sequence
Shanethegamer
2,008
3ms
18 Sep 2025
Gijswijt’s Sequence
MeWhenI
🥈
80
1,907ms
15 Sep 2025
Gijswijt’s Sequence
KatieLG
3,154
1,567ms
13 Sep 2025
Gijswijt’s Sequence
dokutan
3,004
4ms
12 Sep 2025
Gijswijt’s Sequence
olleicua
1,022
10ms
11 Sep 2025