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
Continued Fractions
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
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
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
APL
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
><>
ALGOL 68
ArkScript
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
APL
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
Continued Fractions
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
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
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Tower of Hanoi
dokutan
363
286ms
5 hours ago
Tower of Hanoi
kmathis22
79
43ms
7 hours ago
Tower of Hanoi
kmathis22
275
41ms
7 hours ago
Tower of Hanoi
kmathis22
101
2,374ms
7 hours ago
Tower of Hanoi
kmathis22
97
10ms
7 hours ago
Tower of Hanoi
kmathis22
91
430ms
8 hours ago
Tower of Hanoi
kmathis22
84
780ms
8 hours ago
Tower of Hanoi
raphaelimahorn
123
9ms
10 hours ago
Tower of Hanoi
kg583
💎
83
5ms
21 hours ago
Tower of Hanoi
edsrzf
🥈
86
4ms
21 hours ago
Tower of Hanoi
kmathis22
340
13ms
24 hours ago
Tower of Hanoi
kmathis22
145
278ms
28 hours ago
Tower of Hanoi
kmathis22
91
11ms
28 hours ago
Tower of Hanoi
xiaoyiming123
62
12ms
2 days ago
Tower of Hanoi
emgordon154
56
4ms
2 days ago
Tower of Hanoi
AstroOrbis
122
10ms
2 days ago
Tower of Hanoi
madeforlosers
73
10ms
3 days ago
Tower of Hanoi
plcc0
56
750ms
3 days ago
Tower of Hanoi
AidanWalter
348
351ms
3 days ago
Tower of Hanoi
AidanWalter
233
10ms
3 days ago
Tower of Hanoi
AidanWalter
191
30ms
3 days ago
Tower of Hanoi
AidanWalter
162
9ms
3 days ago
Tower of Hanoi
AidanWalter
161
9ms
3 days ago
Tower of Hanoi
AidanWalter
184
763ms
3 days ago
Tower of Hanoi
AidanWalter
185
2,433ms
3 days ago
Tower of Hanoi
AidanWalter
223
260ms
3 days ago
Tower of Hanoi
AidanWalter
179
11ms
3 days ago
Tower of Hanoi
Herbert00709
🥇
76
359ms
3 days ago
Tower of Hanoi
madex
55
266ms
4 days ago
Tower of Hanoi
Herbert00709
85
59ms
4 days ago
Tower of Hanoi
Flekay
57
12ms
4 days ago
Tower of Hanoi
madex
76
128ms
5 days ago
Tower of Hanoi
madex
61
1,272ms
5 days ago
Tower of Hanoi
madex
58
35ms
5 days ago
Tower of Hanoi
madex
64
9ms
5 days ago
Tower of Hanoi
madex
73
2ms
5 days ago
Tower of Hanoi
madex
66
10ms
5 days ago
Tower of Hanoi
madex
70
2,476ms
5 days ago
Tower of Hanoi
fuzzylojik-golf
71
3ms
5 days ago
Tower of Hanoi
fuzzylojik-golf
68
107ms
5 days ago
Tower of Hanoi
StefanHabel
57
11ms
5 days ago
Tower of Hanoi
madex
74
774ms
5 days ago
Tower of Hanoi
madex
102
10ms
6 days ago
Tower of Hanoi
madex
163
42ms
6 days ago
Tower of Hanoi
madex
95
8ms
6 days ago
Tower of Hanoi
madex
129
269ms
6 days ago
Tower of Hanoi
madex
79
447ms
6 days ago
Tower of Hanoi
Chinay-Domitrix
70
2,561ms
6 days ago
Tower of Hanoi
scpchicken
106
169ms
7 days ago
Tower of Hanoi
scpchicken
132
267ms
7 days ago
Tower of Hanoi
scpchicken
100
10ms
7 days ago
Tower of Hanoi
fuzzylojik-golf
68
1,237ms
8 days ago
Tower of Hanoi
edsrzf
💎
61
1,302ms
8 days ago
Tower of Hanoi
edsrzf
🥈
46
119ms
8 days ago
Tower of Hanoi
scpchicken
61
2ms
8 days ago
Tower of Hanoi
fuzzylojik-golf
🥈
90
26ms
8 days ago
Tower of Hanoi
fuzzylojik-golf
💎
70
6ms
9 days ago
Tower of Hanoi
fuzzylojik-golf
55
6ms
9 days ago
Tower of Hanoi
fuzzylojik-golf
59
2ms
9 days ago
Tower of Hanoi
edsrzf
💎
67
409ms
9 days ago
Tower of Hanoi
edsrzf
54
1,269ms
9 days ago
Tower of Hanoi
edsrzf
💎
66
7ms
10 days ago
Tower of Hanoi
rucin93
🥉
48
157ms
10 days ago
Tower of Hanoi
rucin93
🥇
46
24ms
10 days ago
Tower of Hanoi
sean-niemann
🥇
50
381ms
10 days ago
Tower of Hanoi
sean-niemann
🥇
51
12ms
10 days ago
Tower of Hanoi
sean-niemann
🥇
46
17ms
10 days ago
Tower of Hanoi
matejmatik123
126
2ms
11 days ago
Tower of Hanoi
scpchicken
155
2ms
11 days ago
Tower of Hanoi
kritixilithos
🥉
51
536ms
12 days ago
Tower of Hanoi
fuzzylojik-golf
54
35ms
12 days ago
Tower of Hanoi
karadigm01
61
2ms
12 days ago
Tower of Hanoi
fuzzylojik-golf
🥇
71
123ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
59
2ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
50
11ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
🥇
76
385ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
85
412ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
85
60ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
🥈
69
435ms
13 days ago
Tower of Hanoi
fuzzylojik-golf
66
2ms
13 days ago