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
ASCII Table
tomh1012
144
436ms
10 days ago
ASCII Table
MiffOttah
144
420ms
3 Jan 2026
ASCII Table
mwarvik
295
378ms
27 Dec 2025
ASCII Table
michelebastione
194
439ms
26 Dec 2025
ASCII Table
amazingalek
295
349ms
14 Dec 2025
ASCII Table
JarrinseCubillo
1,012
476ms
21 Nov 2025
ASCII Table
HumanoidCPU
291
362ms
9 Nov 2025
ASCII Table
h45h74x
156
377ms
5 Nov 2025
ASCII Table
qrakhen
146
401ms
5 Nov 2025
ASCII Table
snoozingnewt
167
407ms
2 Nov 2025
ASCII Table
Adix-null
171
402ms
1 Nov 2025
ASCII Table
CaedenHarper
177
401ms
21 Oct 2025
ASCII Table
AdrienHache
🥇
128
404ms
6 Aug 2025
ASCII Table
mntdn
212
387ms
24 Jun 2025
ASCII Table
codewrite
211
388ms
5 May 2025
ASCII Table
sean-niemann
131
394ms
11 Apr 2025
ASCII Table
b-smyers
312
353ms
30 Jan 2025
ASCII Table
WalrusesAreAwesome
190
404ms
10 Jan 2025
ASCII Table
Yax42
130
432ms
20 Dec 2024
ASCII Table
arcpolaris
185
396ms
9 Dec 2024
ASCII Table
Mabeloid
308
350ms
17 Sep 2024
ASCII Table
FluffDerg
150
383ms
21 Aug 2024
ASCII Table
dokutan
166
393ms
15 Aug 2024
ASCII Table
aliakseikalosha
167
481ms
8 Aug 2024
ASCII Table
malworthy
147
419ms
4 Aug 2024
ASCII Table
rifatx
169
409ms
22 Jul 2024
ASCII Table
bac0id
187
403ms
5 Jul 2024
ASCII Table
namelessiw
147
395ms
1 Jul 2024
ASCII Table
Yewzir
152
395ms
19 Jun 2024
ASCII Table
KatieLG
212
375ms
30 Apr 2024
ASCII Table
Maximizer02
187
389ms
12 Mar 2024
ASCII Table
arctouch-cristiannevianna
154
406ms
9 Feb 2024
ASCII Table
TRexOnGit
158
420ms
30 Jan 2024
ASCII Table
dpethes
152
409ms
8 Jan 2024
ASCII Table
LS2021
158
424ms
29 Nov 2023
ASCII Table
roavin
148
403ms
21 Oct 2023
ASCII Table
jwonagel
146
407ms
3 Oct 2023
ASCII Table
nwellnhof
🥇
128
398ms
27 Jun 2023
ASCII Table
adyache
171
480ms
5 May 2023
ASCII Table
glatzert
150
394ms
28 Apr 2023
ASCII Table
janbehrens
141
390ms
24 Apr 2023
ASCII Table
Firefox760
312
384ms
23 Apr 2023
ASCII Table
Shanethegamer
143
402ms
11 Apr 2023
ASCII Table
btnlq
🥇
128
394ms
26 Mar 2023
ASCII Table
postie77
155
422ms
16 Mar 2023
ASCII Table
jaxmattfair
312
371ms
14 Jan 2023
ASCII Table
retrohun
308
394ms
27 Dec 2022
ASCII Table
jhpaques
314
359ms
16 Dec 2022
ASCII Table
ChrisTheisen
195
407ms
13 Dec 2022
ASCII Table
sabvdf
167
419ms
8 Dec 2022
ASCII Table
MeWhenI
140
400ms
8 Dec 2022
ASCII Table
revlayle
143
401ms
28 Nov 2022
ASCII Table
Xwilarg
186
389ms
5 Nov 2022
ASCII Table
wescombs10
202
382ms
30 Oct 2022
ASCII Table
YuryChaikou-ServiceNow
156
390ms
27 Oct 2022
ASCII Table
memiamp
157
412ms
19 Oct 2022
ASCII Table
vroup
187
401ms
1 Oct 2022
ASCII Table
JayXon
🥇
128
414ms
1 Oct 2022
ASCII Table
hamhub7
308
370ms
4 Aug 2022
ASCII Table
hemphen
144
404ms
29 Jul 2022
ASCII Table
ReimuA
202
451ms
28 Jul 2022
ASCII Table
p-vf
178
413ms
13 Jul 2022
ASCII Table
KatieLG-Transpiler
312
385ms
23 Jun 2022
ASCII Table
tomtheisen
131
398ms
10 Jun 2022
ASCII Table
foxmcloud555
208
372ms
1 Jun 2022
ASCII Table
stefangimmillaro
146
395ms
24 May 2022
ASCII Table
sultan
149
412ms
24 May 2022
ASCII Table
billings7
154
412ms
17 May 2022
ASCII Table
NewDefectus
184
360ms
2 May 2022
ASCII Table
Gaddy
129
384ms
2 May 2022
ASCII Table
Romain-1
129
440ms
2 May 2022
ASCII Table
m-tkach
151
446ms
1 Apr 2022
ASCII Table
annaproxy
139
399ms
1 Apr 2022
ASCII Table
ericlangedijk
167
432ms
27 Mar 2022