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
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
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
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
Lily
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
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
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
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
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
γ
frosster
733
2ms
23 hours ago
γ
Flekay
113
58ms
2 days ago
γ
snoozingnewt
154
456ms
3 days ago
γ
snoozingnewt
154
59ms
3 days ago
γ
JOrE20
1,019
39ms
5 days ago
γ
JOrE20
1,010
1,213ms
5 days ago
γ
JOrE20
1,015
105ms
5 days ago
γ
Yewzir
732
1ms
6 days ago
γ
dokutan
573
64ms
7 days ago
γ
Shanethegamer
1,010
5ms
8 days ago
γ
Shanethegamer
1,011
1ms
8 days ago
γ
stefangimmillaro
🥈
593
261ms
8 days ago
γ
emgordon154
350
676ms
8 days ago
γ
elgan65536
579
125ms
8 days ago
γ
rucin93
🥈
78
176ms
9 days ago
γ
rucin93
🥈
75
44ms
9 days ago
γ
dokutan
619
1ms
9 days ago
γ
HumanoidCPU
1,011
1ms
10 days ago
γ
plcc0
2,522
2ms
12 days ago
γ
kg583
🥈
540
4ms
13 days ago
γ
plcc0
1,008
1,022ms
14 days ago
γ
Andrey2001
1,011
394ms
18 days ago
γ
bac0id
1,011
1ms
21 days ago
γ
Andrey2001
1,011
11ms
21 days ago
γ
alexsave
1,509
425ms
27 days ago
γ
CommandLeo
169
75ms
12 Jan 2026
γ
dokutan
585
9ms
11 Jan 2026
γ
KatieLG-Transpiler
1,006
2ms
9 Jan 2026
γ
KatieLG-Transpiler
1,011
9ms
9 Jan 2026
γ
KatieLG-Transpiler
1,009
3ms
9 Jan 2026
γ
JOrE20
1,010
35ms
4 Jan 2026
γ
amazingalek
658
423ms
1 Jan 2026
γ
HumanoidCPU
1,011
5ms
1 Jan 2026
γ
JOrE20
53
2,004ms
29 Dec 2025
γ
JOrE20
1,048
11ms
29 Dec 2025
γ
dokutan
659
57ms
27 Dec 2025
γ
dokutan
659
123ms
27 Dec 2025
γ
dokutan
🥉
752
460ms
27 Dec 2025
γ
frankgraziano
1,073
11ms
26 Dec 2025
γ
mwarvik
1,020
397ms
24 Dec 2025
γ
albanian-laundromat
🥈
589
26ms
24 Dec 2025
γ
albanian-laundromat
💎
733
12ms
24 Dec 2025
γ
kg583
💎
104
68ms
24 Dec 2025
γ
JOrE20
1,023
107ms
23 Dec 2025
γ
amazingalek
1,011
8ms
22 Dec 2025
γ
JOrE20
917
4ms
20 Dec 2025
γ
CornerMercury
113
60ms
19 Dec 2025
γ
sean-niemann
💎
563
4ms
18 Dec 2025
γ
snoozingnewt
🥈
575
122ms
18 Dec 2025
γ
JOrE20
939
199ms
17 Dec 2025
γ
JOrE20
1,011
66ms
17 Dec 2025
γ
JOrE20
1,010
2ms
17 Dec 2025
γ
JOrE20
1,003
2ms
17 Dec 2025
γ
JOrE20
1,012
40ms
17 Dec 2025
γ
JOrE20
1,008
37ms
17 Dec 2025
γ
JOrE20
1,008
4ms
17 Dec 2025
γ
JOrE20
1,008
89ms
17 Dec 2025
γ
JOrE20
1,013
71ms
17 Dec 2025
γ
JOrE20
1,011
10ms
17 Dec 2025
γ
JOrE20
1,014
9ms
17 Dec 2025
γ
JOrE20
1,007
3ms
17 Dec 2025
γ
JOrE20
1,004
235ms
17 Dec 2025
γ
JOrE20
1,017
23ms
17 Dec 2025
γ
JOrE20
1,008
139ms
17 Dec 2025
γ
JOrE20
1,009
2ms
17 Dec 2025
γ
JOrE20
1,004
1,932ms
17 Dec 2025
γ
JOrE20
1,001
3ms
17 Dec 2025
γ
JOrE20
1,028
420ms
17 Dec 2025
γ
JOrE20
1,011
4ms
17 Dec 2025
γ
JOrE20
1,009
1,052ms
17 Dec 2025
γ
JOrE20
1,004
40ms
17 Dec 2025
γ
JOrE20
1,050
282ms
17 Dec 2025
γ
JOrE20
1,010
66ms
17 Dec 2025
γ
JOrE20
1,011
85ms
17 Dec 2025
γ
JOrE20
1,020
107ms
17 Dec 2025
γ
JOrE20
1,083
149ms
17 Dec 2025
γ
JOrE20
1,009
1,202ms
17 Dec 2025
γ
JOrE20
1,016
6ms
17 Dec 2025
γ
JOrE20
1,011
328ms
17 Dec 2025
γ
JOrE20
1,012
6ms
17 Dec 2025