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
Chars
Time
Submitted
Abundant Numbers (Long)
Steffan153
91
395ms
49 mins ago
Abundant Numbers (Long)
retrohun
1,217
1ms
44 hours ago
Abundant Numbers (Long)
Yewzir
78
8ms
46 hours ago
Abundant Numbers (Long)
emgordon154
91
377ms
2 days ago
Abundant Numbers (Long)
dokutan
66
83ms
2 days ago
Abundant Numbers (Long)
frankgraziano
76
25ms
2 days ago
Abundant Numbers (Long)
emgordon154
94
60ms
3 days ago
Abundant Numbers (Long)
Shanethegamer
971
5ms
3 days ago
Abundant Numbers (Long)
Shanethegamer
976
2ms
3 days ago
Abundant Numbers (Long)
frosster
77
49ms
4 days ago
Abundant Numbers (Long)
omicron-4
75
21ms
4 days ago
Abundant Numbers (Long)
attila8192
55
11ms
4 days ago
Abundant Numbers (Long)
dokutan
78
9ms
4 days ago
Abundant Numbers (Long)
HumanoidCPU
976
2ms
5 days ago
Abundant Numbers (Long)
snoozingnewt
29
531ms
7 days ago
Abundant Numbers (Long)
Azyrod
52
53ms
7 days ago
Abundant Numbers (Long)
JOrE20
114
28ms
8 days ago
Abundant Numbers (Long)
2bular
🥉
28
36ms
8 days ago
Abundant Numbers (Long)
zgialor-lab
74
21ms
10 days ago
Abundant Numbers (Long)
zzz13579zzz
101
82ms
12 days ago
Abundant Numbers (Long)
kevinnaviapaiva
121
52ms
13 days ago
Abundant Numbers (Long)
JOrE20
82
422ms
14 days ago
Abundant Numbers (Long)
bilal2709
🥉
83
410ms
15 days ago
Abundant Numbers (Long)
isaiah0311
85
3ms
15 days ago
Abundant Numbers (Long)
DialFrost
🥇
61
26ms
18 days ago
Abundant Numbers (Long)
DialFrost
🥇
67
136ms
18 days ago
Abundant Numbers (Long)
blaztoma
65
51ms
18 days ago
Abundant Numbers (Long)
DialFrost
67
39ms
18 days ago
Abundant Numbers (Long)
retrohun
1,391
1,763ms
18 days ago
Abundant Numbers (Long)
amazingalek
87
362ms
20 days ago
Abundant Numbers (Long)
albanian-laundromat
241
71ms
21 days ago
Abundant Numbers (Long)
DialFrost
🥉
146
1,622ms
23 days ago
Abundant Numbers (Long)
FoxInTheClouds
66
29ms
23 days ago
Abundant Numbers (Long)
lukegustafson
64
65ms
25 days ago
Abundant Numbers (Long)
samuel-thesing
105
917ms
26 days ago
Abundant Numbers (Long)
rucin93
🥇
51
12ms
27 days ago
Abundant Numbers (Long)
ListeriaM
70
3ms
13 Jan 2026
Abundant Numbers (Long)
Tim555
73
19ms
12 Jan 2026
Abundant Numbers (Long)
Shanethegamer
85
370ms
11 Jan 2026
Abundant Numbers (Long)
emgordon154
🥇
145
1,641ms
10 Jan 2026
Abundant Numbers (Long)
NicoBliss
22
17ms
10 Jan 2026
Abundant Numbers (Long)
commandz0
22
18ms
10 Jan 2026
Abundant Numbers (Long)
77Tigers
65
56ms
9 Jan 2026
Abundant Numbers (Long)
KatieLG-Transpiler
1,212
2ms
9 Jan 2026
Abundant Numbers (Long)
KatieLG-Transpiler
1,217
10ms
9 Jan 2026
Abundant Numbers (Long)
KatieLG-Transpiler
1,215
2ms
9 Jan 2026
Abundant Numbers (Long)
Florian-Mt
104
471ms
8 Jan 2026
Abundant Numbers (Long)
Florian-Mt
62
11ms
8 Jan 2026
Abundant Numbers (Long)
Daniel-Ellison
🥇
37
612ms
8 Jan 2026
Abundant Numbers (Long)
JOrE20
90
42ms
6 Jan 2026
Abundant Numbers (Long)
mwarvik
982
369ms
5 Jan 2026
Abundant Numbers (Long)
GolfingSuccess
104
297ms
1 Jan 2026
Abundant Numbers (Long)
HumanoidCPU
972
5ms
1 Jan 2026
Abundant Numbers (Long)
kg583
105
292ms
31 Dec 2025
Abundant Numbers (Long)
snoozingnewt
73
44ms
30 Dec 2025
Abundant Numbers (Long)
snoozingnewt
🥇
67
140ms
30 Dec 2025
Abundant Numbers (Long)
solisolu
65
50ms
30 Dec 2025
Abundant Numbers (Long)
solisolu
77
2ms
30 Dec 2025
Abundant Numbers (Long)
BREMAUCY
211
969ms
30 Dec 2025
Abundant Numbers (Long)
nemoyatpeace
68
29ms
29 Dec 2025
Abundant Numbers (Long)
HumanoidCPU
523
837ms
27 Dec 2025
Abundant Numbers (Long)
dokutan
84
420ms
26 Dec 2025
Abundant Numbers (Long)
NoneTheFewer
175
15ms
25 Dec 2025
Abundant Numbers (Long)
MeWhenI
753
2ms
25 Dec 2025
Abundant Numbers (Long)
DialFrost
73
95ms
25 Dec 2025
Abundant Numbers (Long)
michelebastione
93
432ms
25 Dec 2025
Abundant Numbers (Long)
Shanethegamer
984
3ms
25 Dec 2025
Abundant Numbers (Long)
Trildcookie
40
865ms
23 Dec 2025
Abundant Numbers (Long)
Trildcookie
59
78ms
23 Dec 2025
Abundant Numbers (Long)
TheZwierzLF
51
52ms
21 Dec 2025
Abundant Numbers (Long)
JOrE20
59
21ms
21 Dec 2025
Abundant Numbers (Long)
JOrE20
63
12ms
21 Dec 2025
Abundant Numbers (Long)
xsot
🥇
47
1,151ms
21 Dec 2025
Abundant Numbers (Long)
albanian-laundromat
63
25ms
21 Dec 2025
Abundant Numbers (Long)
amazingalek
66
11ms
19 Dec 2025
Abundant Numbers (Long)
dokutan
72
1,194ms
18 Dec 2025
Abundant Numbers (Long)
BrunoVisnadi
66
35ms
18 Dec 2025
Abundant Numbers (Long)
kurkale6ka
97
10ms
16 Dec 2025
Abundant Numbers (Long)
DialFrost
85
303ms
15 Dec 2025
Abundant Numbers (Long)
DialFrost
🥇
72
73ms
15 Dec 2025