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
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
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
ArkScript
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
ArkScript
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
Calendar
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
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
Chars
Time
Submitted
Spelling Numbers
amazingalek
638
423ms
a min ago
Spelling Numbers
dokutan
14,062
971ms
4 days ago
Spelling Numbers
prestosilver
🥉
404
369ms
5 days ago
Spelling Numbers
dokutan
250
11ms
9 days ago
Spelling Numbers
KatieLG
31,452
22ms
9 days ago
Spelling Numbers
JOrE20
50
11ms
13 days ago
Spelling Numbers
Yax42
426
434ms
14 days ago
Spelling Numbers
te-chnical
492
14ms
15 days ago
Spelling Numbers
FusionAtom360
405
20ms
16 days ago
Spelling Numbers
canissimia
💎
249
4ms
16 days ago
Spelling Numbers
JOrE20
34,496
5ms
17 days ago
Spelling Numbers
DialFrost
🥇
86
19ms
18 days ago
Spelling Numbers
Kacarott
🥇
48
9ms
18 days ago
Spelling Numbers
codewrite
481
379ms
20 days ago
Spelling Numbers
ndren
27,588
9ms
21 days ago
Spelling Numbers
CornerMercury
🥇
64
1,704ms
21 days ago
Spelling Numbers
frosster
436
3ms
21 days ago
Spelling Numbers
dokutan
🥉
276
5ms
24 days ago
Spelling Numbers
NoneTheFewer
940
14ms
25 days ago
Spelling Numbers
JOrE20
412
15ms
26 days ago
Spelling Numbers
JOrE20
201
16ms
26 days ago
Spelling Numbers
CornerMercury
165
19ms
23 Dec 2025
Spelling Numbers
TheZwierzLF
503
37ms
21 Dec 2025
Spelling Numbers
TheZwierzLF
579
25ms
16 Dec 2025
Spelling Numbers
ravnskjaer
738
336ms
15 Dec 2025
Spelling Numbers
JOrE20
🥈
558
139ms
15 Dec 2025
Spelling Numbers
snoozingnewt
💎
493
120ms
13 Dec 2025
Spelling Numbers
Andrey2001
527
13ms
13 Dec 2025
Spelling Numbers
TheZwierzLF
79
1,907ms
12 Dec 2025
Spelling Numbers
iliaspapa
184
19ms
10 Dec 2025
Spelling Numbers
rucin93
💎
243
6ms
8 Dec 2025
Spelling Numbers
sean-niemann
🥈
246
6ms
8 Dec 2025
Spelling Numbers
kmathis22
394
536ms
7 Dec 2025
Spelling Numbers
FortuiteMan
🥇
48
10ms
7 Dec 2025
Spelling Numbers
FortuiteMan
395
19ms
7 Dec 2025
Spelling Numbers
CornerMercury
🥇
48
9ms
7 Dec 2025
Spelling Numbers
prestosilver
407
4ms
5 Dec 2025
Spelling Numbers
vhoulbreque
491
16ms
4 Dec 2025
Spelling Numbers
dokutan
318
12ms
3 Dec 2025
Spelling Numbers
dokutan
500
505ms
3 Dec 2025
Spelling Numbers
alexsave
406
11ms
2 Dec 2025
Spelling Numbers
dokutan
551
203ms
1 Dec 2025
Spelling Numbers
dokutan
12,013
2,610ms
1 Dec 2025
Spelling Numbers
dokutan
7,158
3,363ms
1 Dec 2025
Spelling Numbers
dokutan
518
131ms
1 Dec 2025
Spelling Numbers
dokutan
518
78ms
1 Dec 2025
Spelling Numbers
dokutan
436
39ms
1 Dec 2025
Spelling Numbers
dokutan
7,514
175ms
1 Dec 2025
Spelling Numbers
dokutan
638
18ms
1 Dec 2025
Spelling Numbers
dokutan
874
596ms
1 Dec 2025
Spelling Numbers
dokutan
🥉
1,387
118ms
1 Dec 2025
Spelling Numbers
dokutan
1,065
6ms
1 Dec 2025
Spelling Numbers
dokutan
1,177
251ms
1 Dec 2025
Spelling Numbers
dokutan
🥉
1,026
135ms
1 Dec 2025
Spelling Numbers
dokutan
822
1,224ms
1 Dec 2025
Spelling Numbers
dokutan
1,149
1,397ms
1 Dec 2025
Spelling Numbers
dokutan
915
443ms
1 Dec 2025
Spelling Numbers
dokutan
1,237
207ms
1 Dec 2025
Spelling Numbers
dokutan
35,968
1,316ms
1 Dec 2025
Spelling Numbers
dokutan
16,029
301ms
1 Dec 2025
Spelling Numbers
KatieLG
56,559
208ms
30 Nov 2025
Spelling Numbers
KatieLG
37,498
333ms
30 Nov 2025
Spelling Numbers
h3ra993huskp
392
475ms
30 Nov 2025
Spelling Numbers
Lv0Sys
408
424ms
28 Nov 2025
Spelling Numbers
Lv0Sys
366
11ms
28 Nov 2025
Spelling Numbers
Lv0Sys
396
19ms
28 Nov 2025
Spelling Numbers
CommandLeo
384
19ms
27 Nov 2025
Spelling Numbers
DialFrost
396
92ms
26 Nov 2025
Spelling Numbers
HumanoidCPU
498
4ms
25 Nov 2025
Spelling Numbers
HumanoidCPU
217
13ms
25 Nov 2025
Spelling Numbers
JayXon
💎
115
35ms
24 Nov 2025
Spelling Numbers
stephanie-flower
700
11ms
23 Nov 2025
Spelling Numbers
ian-h-chamberlain
640
247ms
23 Nov 2025
Spelling Numbers
aalec
406
20ms
22 Nov 2025
Spelling Numbers
KatieLG
33,536
7ms
21 Nov 2025
Spelling Numbers
snoozingnewt
🥇
48
9ms
21 Nov 2025
Spelling Numbers
snoozingnewt
416
119ms
21 Nov 2025
Spelling Numbers
snoozingnewt
218
21ms
21 Nov 2025
Spelling Numbers
snoozingnewt
175
432ms
21 Nov 2025
Spelling Numbers
Alex-x90
🥉
251
17ms
21 Nov 2025