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
brainfuck
YAJUE114514
343
14ms
14 hours ago
brainfuck
yoikolover
303
17ms
24 hours ago
brainfuck
KasperKivimaeki
178
19ms
3 days ago
brainfuck
Languag3
205
22ms
4 days ago
brainfuck
greentruff
277
18ms
4 days ago
brainfuck
FortuiteMan
253
16ms
4 days ago
brainfuck
JOrE20
429
14ms
8 days ago
brainfuck
duckyluuk
181
28ms
9 days ago
brainfuck
AstroOrbis
291
270ms
17 days ago
brainfuck
te-chnical
269
17ms
19 days ago
brainfuck
Code-Coder-coder
236
29ms
19 days ago
brainfuck
snoozingnewt
197
22ms
19 days ago
brainfuck
TheZwierzLF
342
18ms
20 days ago
brainfuck
webmiche
173
144ms
20 days ago
brainfuck
levinwinter
173
150ms
21 days ago
brainfuck
thbwd
180
141ms
21 days ago
brainfuck
CornerMercury
187
21ms
23 days ago
brainfuck
Babafaba
238
26ms
24 days ago
brainfuck
M4rc0g1
300
23ms
25 days ago
brainfuck
blaztoma
202
20ms
27 days ago
brainfuck
CaedenHarper
190
21ms
16 Oct 2025
brainfuck
luuumine
326
17ms
9 Oct 2025
brainfuck
jacekwladzinski
311
15ms
8 Oct 2025
brainfuck
plcc0
184
20ms
5 Oct 2025
brainfuck
robin-scragg
381
18ms
3 Oct 2025
brainfuck
InigoK
197
21ms
23 Sep 2025
brainfuck
Alex-Huggett
315
20ms
14 Sep 2025
brainfuck
dokutan
208
21ms
8 Sep 2025
brainfuck
sean-niemann
179
24ms
28 Aug 2025
brainfuck
lelbal
255
375ms
28 Aug 2025
brainfuck
Upload-and-View
300
21ms
21 Aug 2025
brainfuck
osNiko
304
16ms
19 Aug 2025
brainfuck
Flekay
223
22ms
9 Aug 2025
brainfuck
Unknownuserfrommars
729
13ms
5 Aug 2025
brainfuck
RaBa21
276
15ms
3 Aug 2025
brainfuck
Zhenyu-Bo
2,360
13ms
1 Aug 2025
brainfuck
albanian-laundromat
207
22ms
31 Jul 2025
brainfuck
wuduculfre
346
15ms
28 Jul 2025
brainfuck
zhaohm14
194
20ms
22 Jul 2025
brainfuck
BREMAUCY
303
290ms
21 Jul 2025
brainfuck
vgamula
355
15ms
16 Jul 2025
brainfuck
qpwoeirut
317
16ms
16 Jul 2025
brainfuck
maxgodfrey2004
212
25ms
13 Jul 2025
brainfuck
dirckvdende
246
22ms
12 Jul 2025
brainfuck
andrewjc2000
200
22ms
10 Jul 2025
brainfuck
amberzit
208
22ms
5 Jul 2025
brainfuck
4atj
171
20ms
30 Jun 2025
brainfuck
bknower
257
40ms
29 Jun 2025
brainfuck
fuzzylojik-golf
212
20ms
31 May 2025
brainfuck
Lv0Sys
279
16ms
29 May 2025
brainfuck
LvLError
279
17ms
29 May 2025
brainfuck
EnisEfe0
471
16ms
18 May 2025
brainfuck
keelimeguy
313
15ms
17 May 2025
brainfuck
kistlerf
362
16ms
15 May 2025
brainfuck
emgordon154
199
30ms
14 May 2025
brainfuck
40fied4t
319
32ms
6 May 2025
brainfuck
Bulmenisaurus
187
21ms
3 May 2025
brainfuck
5cw
185
21ms
3 May 2025
brainfuck
ahmetdemirag
220
381ms
25 Apr 2025
brainfuck
ryyyn
174
21ms
24 Apr 2025
brainfuck
0dyse
380
21ms
23 Apr 2025
brainfuck
TimSvensson
496
15ms
10 Apr 2025
brainfuck
HumanoidCPU
295
17ms
31 Mar 2025
brainfuck
WalrusesAreAwesome
399
15ms
24 Mar 2025
brainfuck
OSYCh314
335
341ms
23 Mar 2025
brainfuck
WillowWispy
339
12ms
22 Mar 2025
brainfuck
fredrik-bakke
250
22ms
17 Mar 2025
brainfuck
logvp
289
28ms
14 Mar 2025
brainfuck
ArchFin
504
12ms
27 Feb 2025
brainfuck
Pyroan
272
318ms
24 Feb 2025
brainfuck
adamnielson42
208
22ms
26 Jan 2025
brainfuck
itljan30
225
21ms
26 Jan 2025
brainfuck
edsrzf
225
20ms
22 Jan 2025
brainfuck
LostSyntax21
287
23ms
19 Jan 2025
brainfuck
AnnoyedArt1256
308
24ms
7 Jan 2025