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
FoxInTheClouds
83
2ms
31 hours ago
Abundant Numbers
DialFrost
146
1,707ms
33 hours ago
Abundant Numbers
FoxInTheClouds
65
10ms
38 hours ago
Abundant Numbers
itsquasiab
116
63ms
2 days ago
Abundant Numbers
sean-niemann
42
3ms
2 days ago
Abundant Numbers
dokutan
175
34ms
3 days ago
Abundant Numbers
samuel-thesing
104
901ms
4 days ago
Abundant Numbers
rucin93
53
130ms
4 days ago
Abundant Numbers
rucin93
🥉
50
2ms
5 days ago
Abundant Numbers
rucin93
59
5ms
5 days ago
Abundant Numbers
rucin93
🥉
50
9ms
5 days ago
Abundant Numbers
ListeriaM
69
2ms
6 days ago
Abundant Numbers
Tim555
72
10ms
7 days ago
Abundant Numbers
qrakhen
95
387ms
8 days ago
Abundant Numbers
Shanethegamer
85
335ms
9 days ago
Abundant Numbers
rucin93
55
10ms
9 days ago
Abundant Numbers
emgordon154
🥉
145
1,678ms
9 days ago
Abundant Numbers
NicoBliss
21
5ms
9 days ago
Abundant Numbers
commandblockguy
21
5ms
9 days ago
Abundant Numbers
KatieLG-Transpiler
211
2ms
11 days ago
Abundant Numbers
KatieLG-Transpiler
216
9ms
11 days ago
Abundant Numbers
KatieLG-Transpiler
214
3ms
11 days ago
Abundant Numbers
Daniel-Ellison
🥇
36
578ms
11 days ago
Abundant Numbers
NicoPlayZ9002-YT
104
11ms
13 days ago
Abundant Numbers
JOrE20
90
42ms
13 days ago
Abundant Numbers
NoneTheFewer
249
283ms
13 days ago
Abundant Numbers
mwarvik
181
375ms
15 days ago
Abundant Numbers
lvl1psy
170
10ms
16 days ago
Abundant Numbers
GolfingSuccess
104
55ms
18 days ago
Abundant Numbers
HumanoidCPU
171
6ms
18 days ago
Abundant Numbers
kg583
105
52ms
19 days ago
Abundant Numbers
ryyyn
55
10ms
20 days ago
Abundant Numbers
solisolu
76
2ms
20 days ago
Abundant Numbers
solisolu
64
12ms
20 days ago
Abundant Numbers
retrohun
59
3ms
20 days ago
Abundant Numbers
stackofbears
🥇
60
133ms
21 days ago
Abundant Numbers
Seek64
54
10ms
21 days ago
Abundant Numbers
nemoyatpeace
67
11ms
22 days ago
Abundant Numbers
Protothor
84
9ms
23 days ago
Abundant Numbers
bitsandbeyond
🥈
41
207ms
23 days ago
Abundant Numbers
warmCabin
76
2ms
23 days ago
Abundant Numbers
warmCabin
81
2ms
23 days ago
Abundant Numbers
HumanoidCPU
122
672ms
24 days ago
Abundant Numbers
bxm
108
46ms
24 days ago
Abundant Numbers
dokutan
84
20ms
24 days ago
Abundant Numbers
NoneTheFewer
174
13ms
25 days ago
Abundant Numbers
DialFrost
72
103ms
26 days ago
Abundant Numbers
michelebastione
93
412ms
26 days ago
Abundant Numbers
Shanethegamer
183
3ms
26 days ago
Abundant Numbers
amazingalek
91
376ms
22 Dec 2025
Abundant Numbers
Trildcookie
59
20ms
22 Dec 2025
Abundant Numbers
Trildcookie
39
73ms
22 Dec 2025
Abundant Numbers
edsrzf
🥇
69
6ms
21 Dec 2025
Abundant Numbers
edsrzf
💎
76
42ms
21 Dec 2025
Abundant Numbers
TheZwierzLF
50
34ms
21 Dec 2025
Abundant Numbers
JOrE20
118
28ms
21 Dec 2025
Abundant Numbers
JOrE20
66
11ms
21 Dec 2025
Abundant Numbers
JOrE20
63
10ms
21 Dec 2025
Abundant Numbers
xsot
🥇
47
935ms
21 Dec 2025
Abundant Numbers
albanian-laundromat
63
3ms
21 Dec 2025
Abundant Numbers
JOrE20
801
252ms
20 Dec 2025
Abundant Numbers
amazingalek
66
9ms
19 Dec 2025
Abundant Numbers
dokutan
71
51ms
18 Dec 2025
Abundant Numbers
BrunoVisnadi
65
10ms
18 Dec 2025
Abundant Numbers
KasperKivimaeki
🥈
54
3ms
16 Dec 2025
Abundant Numbers
kurkale6ka
89
9ms
16 Dec 2025
Abundant Numbers
yujqiao
70
16ms
16 Dec 2025
Abundant Numbers
TheZwierzLF
67
477ms
15 Dec 2025
Abundant Numbers
DialFrost
73
1,361ms
15 Dec 2025
Abundant Numbers
DialFrost
70
98ms
15 Dec 2025
Abundant Numbers
DialFrost
84
25ms
15 Dec 2025
Abundant Numbers
DialFrost
72
9ms
15 Dec 2025
Abundant Numbers
arutonee1
67
112ms
15 Dec 2025
Abundant Numbers
ravnskjaer
104
351ms
15 Dec 2025
Abundant Numbers
DialFrost
60
119ms
15 Dec 2025
Abundant Numbers
DialFrost
92
63ms
15 Dec 2025
Abundant Numbers
DialFrost
83
366ms
15 Dec 2025
Abundant Numbers
benanlam
234
11ms
15 Dec 2025
Abundant Numbers
DialFrost
🥉
80
41ms
15 Dec 2025
Abundant Numbers
DialFrost
55
3ms
15 Dec 2025