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
Arithmetic Numbers
sean-niemann
🥇
92
527ms
6 days ago
Arithmetic Numbers
gpikmddk
140
476ms
29 Oct 2025
Arithmetic Numbers
CaedenHarper
97
438ms
17 Oct 2025
Arithmetic Numbers
snoozingnewt
96
451ms
10 Oct 2025
Arithmetic Numbers
albanian-laundromat
100
449ms
30 Sep 2025
Arithmetic Numbers
fuzzylojik-golf
93
464ms
28 Aug 2025
Arithmetic Numbers
tomh1012
101
624ms
28 Aug 2025
Arithmetic Numbers
codewrite
137
428ms
11 Jul 2025
Arithmetic Numbers
OmameBeans
188
378ms
26 Jun 2025
Arithmetic Numbers
stefangimmillaro
95
435ms
20 Jun 2025
Arithmetic Numbers
Yax42
95
445ms
20 Jun 2025
Arithmetic Numbers
ovs-code
🥇
92
511ms
19 Jun 2025
Arithmetic Numbers
MeWhenI
95
450ms
19 Jun 2025
Arithmetic Numbers
namelessiw
95
457ms
19 Jun 2025
Arithmetic Numbers
razvandmtr
🥇
92
810ms
19 Jun 2025
Arithmetic Numbers
mntdn
166
479ms
18 Jun 2025
Arithmetic Numbers
janbehrens
97
441ms
17 Apr 2025
Arithmetic Numbers
Re-Adventures
97
443ms
15 Apr 2025
Arithmetic Numbers
tomtheisen
99
464ms
10 Apr 2025
Arithmetic Numbers
DialFrost
99
446ms
10 Apr 2025
Arithmetic Numbers
dokutan
100
430ms
9 Apr 2025
Arithmetic Numbers
Shanethegamer
96
463ms
9 Apr 2025
Arithmetic Numbers
SpareManiKatti
105
400ms
7 Apr 2025
Arithmetic Numbers
kevinnaviapaiva
162
388ms
19 Feb 2025
Arithmetic Numbers
arcpolaris
97
467ms
13 Dec 2024
Arithmetic Numbers
Mabeloid
45,346
351ms
3 Oct 2024
Arithmetic Numbers
Mikey-Beep
113
823ms
2 Sep 2024
Arithmetic Numbers
alicethecatwhisperermeow
100
396ms
7 Aug 2024
Arithmetic Numbers
Matgc04
99
626ms
6 Aug 2024
Arithmetic Numbers
rifatx
98
407ms
10 Jul 2024
Arithmetic Numbers
KatieLG
117
452ms
28 Apr 2024
Arithmetic Numbers
HumanoidCPU
101
457ms
14 Feb 2024
Arithmetic Numbers
TRexOnGit
103
454ms
16 Jan 2024
Arithmetic Numbers
Steffan153
93
483ms
5 Dec 2023
Arithmetic Numbers
ElysiaVesper
106
420ms
19 Nov 2023
Arithmetic Numbers
AdrienHache
95
446ms
18 Nov 2023
Arithmetic Numbers
hamhub7
113
425ms
6 Nov 2023
Arithmetic Numbers
Ripick
107
477ms
5 Nov 2023
Arithmetic Numbers
HumanEquivalentUnit
99
669ms
22 Oct 2023
Arithmetic Numbers
Adix-null
115
462ms
21 Oct 2023
Arithmetic Numbers
roavin
99
471ms
17 Oct 2023
Arithmetic Numbers
malworthy
101
680ms
15 Oct 2023
Arithmetic Numbers
ccolella-mdc
119
433ms
11 Oct 2023
Arithmetic Numbers
revlayle
99
425ms
9 Oct 2023
Arithmetic Numbers
peeveen
93
415ms
6 Oct 2023
Arithmetic Numbers
JayXon
93
427ms
6 Oct 2023
Arithmetic Numbers
Yewzir
96
417ms
3 Oct 2023
Arithmetic Numbers
arctouch-cristiannevianna
99
464ms
2 Oct 2023
Arithmetic Numbers
ericlangedijk
96
449ms
2 Oct 2023
Arithmetic Numbers
annaproxy
96
452ms
2 Oct 2023
Arithmetic Numbers
nwellnhof
93
423ms
1 Oct 2023
Arithmetic Numbers
KatieLG-Transpiler
45,350
340ms
1 Oct 2023
Arithmetic Numbers
msbranicky
105
434ms
1 Oct 2023