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
Kaprekar Numbers
frankgraziano
380
4,820ms
14 hours ago
Kaprekar Numbers
dokutan
162
1,587ms
14 hours ago
Kaprekar Numbers
Shanethegamer
447
7ms
34 hours ago
Kaprekar Numbers
Shanethegamer
452
2ms
35 hours ago
Kaprekar Numbers
JOrE20
659
27ms
38 hours ago
Kaprekar Numbers
elgan65536
109
192ms
40 hours ago
Kaprekar Numbers
ryyyn
100
4,381ms
40 hours ago
Kaprekar Numbers
HumanoidCPU
452
2ms
3 days ago
Kaprekar Numbers
ovs-code
🥉
142
4,785ms
4 days ago
Kaprekar Numbers
sean-niemann
🥈
66
4,982ms
5 days ago
Kaprekar Numbers
sean-niemann
67
4,802ms
5 days ago
Kaprekar Numbers
JOrE20
436
41ms
6 days ago
Kaprekar Numbers
JOrE20
509
39ms
6 days ago
Kaprekar Numbers
JOrE20
452
423ms
6 days ago
Kaprekar Numbers
JOrE20
🥈
512
3ms
6 days ago
Kaprekar Numbers
plcc0
87
1,309ms
7 days ago
Kaprekar Numbers
plcc0
77
1,768ms
7 days ago
Kaprekar Numbers
ZakkkkAttackkkk
165
4,658ms
8 days ago
Kaprekar Numbers
plcc0
101
4,978ms
8 days ago
Kaprekar Numbers
Andrey2001
241
3,995ms
11 days ago
Kaprekar Numbers
dokutan
444
1,405ms
13 days ago
Kaprekar Numbers
amazingalek
225
4,932ms
14 days ago
Kaprekar Numbers
blaztoma
85
738ms
14 days ago
Kaprekar Numbers
kg583
🥉
107
3,225ms
15 days ago
Kaprekar Numbers
dokutan
🥈
164
74ms
16 days ago
Kaprekar Numbers
KatieLG
125
2,040ms
22 days ago
Kaprekar Numbers
KatieLG
173
4,290ms
25 days ago
Kaprekar Numbers
KatieLG
122
796ms
25 days ago
Kaprekar Numbers
KatieLG
117
656ms
25 days ago
Kaprekar Numbers
KatieLG
93
3,146ms
25 days ago
Kaprekar Numbers
KatieLG
101
1,084ms
25 days ago
Kaprekar Numbers
KatieLG
🥉
141
1,009ms
25 days ago
Kaprekar Numbers
KatieLG
117
4,989ms
25 days ago
Kaprekar Numbers
KatieLG
98
1,358ms
26 days ago
Kaprekar Numbers
DialFrost
🥇
158
3,571ms
26 days ago
Kaprekar Numbers
KatieLG
106
1,388ms
26 days ago
Kaprekar Numbers
plcc0
95
57ms
26 days ago
Kaprekar Numbers
2bular
🥈
50
3,297ms
26 days ago
Kaprekar Numbers
2bular
98
3,955ms
26 days ago
Kaprekar Numbers
dokutan
221
9ms
11 Jan 2026
Kaprekar Numbers
2bular
🥉
41
1,435ms
9 Jan 2026
Kaprekar Numbers
Murphy4444
439
190ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
459
2ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
515
94ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
446
3ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
510
2ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
506
7ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
533
636ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
448
1ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
508
1ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
531
107ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
455
38ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
445
93ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
517
65ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
519
9ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
521
9ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
513
201ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
512
4ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
446
3ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
660
26ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
🥈
453
22ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
522
344ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
515
2ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
511
3ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
567
152ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
441
3ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
455
9ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
538
419ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
448
4ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
1,460
32ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
972
5ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
519
118ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
445
45ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
494
283ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
851
3ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
451
1,378ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
578
2ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
515
9ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
447
61ms
9 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
448
66ms
9 Jan 2026
