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
Abundant Numbers
rucin93
🥉
50
9ms
4 days ago
Abundant Numbers
Protothor
84
9ms
22 days ago
Abundant Numbers
JOrE20
63
10ms
21 Dec 2025
Abundant Numbers
amazingalek
66
9ms
19 Dec 2025
Abundant Numbers
kurkale6ka
89
9ms
16 Dec 2025
Abundant Numbers
Florian-Mt
63
10ms
4 Dec 2025
Abundant Numbers
Lv0Sys
57
9ms
3 Dec 2025
Abundant Numbers
albanian-laundromat
58
9ms
18 Nov 2025
Abundant Numbers
c-py
60
10ms
1 Nov 2025
Abundant Numbers
Laellekoenig
56
9ms
31 Oct 2025
Abundant Numbers
levinwinter
57
9ms
31 Oct 2025
Abundant Numbers
denis-jasselette
55
9ms
17 Oct 2025
Abundant Numbers
stephanie-flower
92
9ms
17 Oct 2025
Abundant Numbers
iczelia
58
11ms
14 Oct 2025
Abundant Numbers
snoozingnewt
57
10ms
9 Oct 2025
Abundant Numbers
Yax42
55
9ms
5 Sep 2025
Abundant Numbers
gigaprofisi
65
10ms
4 Sep 2025
Abundant Numbers
Xanderium
58
9ms
30 Aug 2025
Abundant Numbers
Ultra814
94
11ms
19 Aug 2025
Abundant Numbers
SebassNoob
92
14ms
3 Aug 2025
Abundant Numbers
acollett89
54
9ms
21 Jul 2025
Abundant Numbers
clayboll99
84
10ms
18 Jul 2025
Abundant Numbers
Andriamanitra
62
10ms
18 Jul 2025
Abundant Numbers
dokutan
57
10ms
16 Jul 2025
Abundant Numbers
daniel-cardone
59
10ms
28 Jun 2025
Abundant Numbers
CaedenHarper
59
10ms
25 Jun 2025
Abundant Numbers
Andrey-Plotnikov
57
9ms
21 Jun 2025
Abundant Numbers
fuzzylojik-golf
54
10ms
29 May 2025
Abundant Numbers
a6166231
60
10ms
20 May 2025
Abundant Numbers
jake6192
86
9ms
18 May 2025
Abundant Numbers
cloudyshoe
64
10ms
15 May 2025
Abundant Numbers
MyXoToD
117
9ms
6 May 2025
Abundant Numbers
Palladium02
64
9ms
4 May 2025
Abundant Numbers
te-chnical
67
11ms
3 May 2025
Abundant Numbers
Voltrifrodec
104
10ms
16 Apr 2025
Abundant Numbers
RobertHoeh
63
9ms
5 Apr 2025
Abundant Numbers
kevinnaviapaiva
121
9ms
6 Mar 2025
Abundant Numbers
TRexOnGit
63
9ms
6 Mar 2025
Abundant Numbers
MrMullac
68
9ms
5 Mar 2025
Abundant Numbers
targrik
56
9ms
13 Feb 2025
Abundant Numbers
eTrey13
60
10ms
3 Feb 2025
Abundant Numbers
deancureton
61
9ms
29 Dec 2024
Abundant Numbers
eranws
59
10ms
23 Dec 2024
Abundant Numbers
823126
59
10ms
8 Nov 2024
Abundant Numbers
alexsave
57
9ms
6 Nov 2024
Abundant Numbers
goodwyna21
58
10ms
29 Oct 2024
Abundant Numbers
ErikGXDev
57
8ms
26 Oct 2024
Abundant Numbers
lafkpages
64
9ms
26 Oct 2024
Abundant Numbers
charliegaming
68
10ms
20 Oct 2024
Abundant Numbers
Mabeloid
67
10ms
16 Oct 2024
Abundant Numbers
orifu
66
10ms
14 Oct 2024
Abundant Numbers
xyangst
63
10ms
26 Sep 2024
Abundant Numbers
junkondo-jp
60
9ms
22 Sep 2024
Abundant Numbers
JesseNoEyes
81
10ms
19 Sep 2024
Abundant Numbers
pardouin
56
10ms
15 Sep 2024
Abundant Numbers
hippopotam00sehead
71
9ms
11 Sep 2024
Abundant Numbers
PKersale
70
10ms
28 Aug 2024
Abundant Numbers
Nickwa-PK25
253
10ms
1 Aug 2024
Abundant Numbers
sean-niemann
🥉
50
9ms
25 Jul 2024
Abundant Numbers
eMGeeneer
66
10ms
24 Jul 2024
Abundant Numbers
Steffan153
53
11ms
20 Jul 2024
Abundant Numbers
tzuyuan-github
600
9ms
18 Jul 2024
Abundant Numbers
bac0id
64
9ms
26 Jun 2024
Abundant Numbers
dommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmy
117
10ms
26 Jun 2024
Abundant Numbers
alex742
62
10ms
20 Jun 2024
Abundant Numbers
TepidDrink
63
10ms
20 Jun 2024
Abundant Numbers
hacker112
61
9ms
18 Jun 2024
Abundant Numbers
vlpx
🥉
50
10ms
18 Jun 2024
Abundant Numbers
HPWiz
💎
48
9ms
29 May 2024
Abundant Numbers
HumanoidCPU
169
10ms
17 May 2024
Abundant Numbers
dbkirk4211
70
10ms
3 May 2024
Abundant Numbers
j7126
77
10ms
2 May 2024
Abundant Numbers
NickTheEASDude
66
10ms
25 Apr 2024
Abundant Numbers
nick4333
177
9ms
10 Apr 2024
Abundant Numbers
kordrun
57
9ms
3 Apr 2024
Abundant Numbers
Natanaelel
55
10ms
12 Mar 2024
Abundant Numbers
gusruben
79
10ms
11 Mar 2024
Abundant Numbers
helbling
55
10ms
29 Feb 2024
Abundant Numbers
joedia
71
9ms
17 Feb 2024
Abundant Numbers
two-bad
56
10ms
15 Feb 2024