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
retrohun
216
2ms
4 hours ago
Abundant Numbers
Yewzir
77
2ms
6 hours ago
Abundant Numbers
emgordon154
91
370ms
9 hours ago
Abundant Numbers
attila8192
55
10ms
13 hours ago
Abundant Numbers
rucin93
🥈
49
2ms
15 hours ago
Abundant Numbers
dokutan
66
62ms
16 hours ago
Abundant Numbers
frankgraziano
75
7ms
16 hours ago
Abundant Numbers
emgordon154
94
60ms
34 hours ago
Abundant Numbers
Shanethegamer
170
6ms
36 hours ago
Abundant Numbers
Shanethegamer
175
2ms
36 hours ago
Abundant Numbers
frosster
77
4ms
2 days ago
Abundant Numbers
dokutan
77
2ms
2 days ago
Abundant Numbers
denkyuu1
46
35ms
2 days ago
Abundant Numbers
HumanoidCPU
175
2ms
3 days ago
Abundant Numbers
CornerMercury
74
2ms
3 days ago
Abundant Numbers
CornerMercury
61
173ms
3 days ago
Abundant Numbers
sean-niemann
124
2ms
4 days ago
Abundant Numbers
sean-niemann
66
1,147ms
4 days ago
Abundant Numbers
TheSecondComing123
119
11ms
4 days ago
Abundant Numbers
kasarino
105
39ms
4 days ago
Abundant Numbers
kasarino
94
2ms
4 days ago
Abundant Numbers
snoozingnewt
28
63ms
5 days ago
Abundant Numbers
Azyrod
50
36ms
6 days ago
Abundant Numbers
JOrE20
114
26ms
6 days ago
Abundant Numbers
2bular
28
34ms
7 days ago
Abundant Numbers
omicron-4
91
11ms
8 days ago
Abundant Numbers
zzz13579zzz
101
84ms
11 days ago
Abundant Numbers
kevinnaviapaiva
120
9ms
11 days ago
Abundant Numbers
bilal2709
83
379ms
13 days ago
Abundant Numbers
isaiah0311
84
2ms
14 days ago
Abundant Numbers
MOINUDDIN-1
262
11ms
15 days ago
Abundant Numbers
DialFrost
60
5ms
16 days ago
Abundant Numbers
DialFrost
66
95ms
16 days ago
Abundant Numbers
DialFrost
67
4ms
16 days ago
Abundant Numbers
retrohun
390
1,765ms
17 days ago
Abundant Numbers
Imsmelkov
128
401ms
17 days ago
Abundant Numbers
Yax42
54
10ms
19 days ago
Abundant Numbers
FoxInTheClouds
83
2ms
21 days ago
Abundant Numbers
DialFrost
146
1,707ms
21 days ago
Abundant Numbers
FoxInTheClouds
65
11ms
21 days ago
Abundant Numbers
itsquasiab
116
63ms
22 days ago
Abundant Numbers
sean-niemann
42
3ms
22 days ago
Abundant Numbers
dokutan
175
34ms
24 days ago
Abundant Numbers
samuel-thesing
104
901ms
24 days ago
Abundant Numbers
rucin93
53
129ms
25 days ago
Abundant Numbers
rucin93
59
5ms
25 days ago
Abundant Numbers
rucin93
🥉
50
9ms
25 days ago
Abundant Numbers
ListeriaM
69
2ms
26 days ago
Abundant Numbers
Tim555
72
11ms
12 Jan 2026
Abundant Numbers
qrakhen
95
387ms
12 Jan 2026
Abundant Numbers
Shanethegamer
85
335ms
11 Jan 2026
Abundant Numbers
rucin93
55
9ms
10 Jan 2026
Abundant Numbers
emgordon154
🥉
145
1,678ms
10 Jan 2026
Abundant Numbers
NicoBliss
21
4ms
10 Jan 2026
Abundant Numbers
commandz0
21
4ms
10 Jan 2026
Abundant Numbers
KatieLG-Transpiler
211
2ms
9 Jan 2026
Abundant Numbers
KatieLG-Transpiler
216
9ms
9 Jan 2026
Abundant Numbers
KatieLG-Transpiler
214
3ms
9 Jan 2026
Abundant Numbers
Daniel-Ellison
🥇
36
578ms
8 Jan 2026
Abundant Numbers
NicoPlayZ9002-YT
104
10ms
6 Jan 2026
Abundant Numbers
JOrE20
90
42ms
6 Jan 2026
Abundant Numbers
NoneTheFewer
249
283ms
6 Jan 2026
Abundant Numbers
mwarvik
181
375ms
5 Jan 2026
Abundant Numbers
lvl1psy
170
10ms
3 Jan 2026
Abundant Numbers
GolfingSuccess
104
51ms
1 Jan 2026
Abundant Numbers
HumanoidCPU
171
5ms
1 Jan 2026
Abundant Numbers
kg583
105
52ms
31 Dec 2025
Abundant Numbers
ryyyn
55
10ms
31 Dec 2025
Abundant Numbers
solisolu
76
2ms
30 Dec 2025
Abundant Numbers
solisolu
64
12ms
30 Dec 2025
Abundant Numbers
retrohun
59
3ms
30 Dec 2025
Abundant Numbers
stackofbears
🥇
60
133ms
30 Dec 2025
Abundant Numbers
Seek64
54
10ms
29 Dec 2025
Abundant Numbers
nemoyatpeace
67
12ms
29 Dec 2025
Abundant Numbers
Protothor
84
10ms
27 Dec 2025
Abundant Numbers
bitsandbeyond
🥈
41
207ms
27 Dec 2025
Abundant Numbers
warmCabin
76
2ms
27 Dec 2025
Abundant Numbers
warmCabin
81
2ms
27 Dec 2025
Abundant Numbers
HumanoidCPU
122
817ms
27 Dec 2025
Abundant Numbers
bxm
108
46ms
27 Dec 2025