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
Bytes
Time
Submitted
Ordinal Numbers
Steffan153
🥉
132
31ms
7 hours ago
Ordinal Numbers
Yewzir
136
3ms
8 hours ago
Ordinal Numbers
JOrE20
🥇
66
11ms
15 hours ago
Ordinal Numbers
JOrE20
501
13ms
15 hours ago
Ordinal Numbers
Steffan153
78
391ms
29 hours ago
Ordinal Numbers
Steffan153
🥈
118
414ms
31 hours ago
Ordinal Numbers
plcc0
30
114ms
39 hours ago
Ordinal Numbers
FoxInTheClouds
93
12ms
41 hours ago
Ordinal Numbers
Shanethegamer
137
30ms
2 days ago
Ordinal Numbers
edsrzf
🥇
125
27ms
2 days ago
Ordinal Numbers
m-tkach
🥇
125
27ms
2 days ago
Ordinal Numbers
bpharaldsson
149
2ms
2 days ago
Ordinal Numbers
bpharaldsson
133
399ms
2 days ago
Ordinal Numbers
denkyuu1
74
35ms
2 days ago
Ordinal Numbers
CaedenHarper
78
398ms
3 days ago
Ordinal Numbers
dokutan
110
63ms
3 days ago
Ordinal Numbers
SectorCorruptor
111
13ms
3 days ago
Ordinal Numbers
frankgraziano
132
10ms
4 days ago
Ordinal Numbers
Shanethegamer
78
9ms
4 days ago
Ordinal Numbers
frosster
83
3ms
4 days ago
Ordinal Numbers
bpharaldsson
113
19ms
6 days ago
Ordinal Numbers
KatieLG
86
10ms
6 days ago
Ordinal Numbers
pardouin
🥈
77
540ms
6 days ago
Ordinal Numbers
dokutan
102
422ms
6 days ago
Ordinal Numbers
JayXon
💎
71
398ms
7 days ago
Ordinal Numbers
GolfingSuccess
78
379ms
7 days ago
Ordinal Numbers
sean-niemann
🥈
77
384ms
7 days ago
Ordinal Numbers
kg583
🥈
77
395ms
7 days ago
Ordinal Numbers
Thinkr1
71
36ms
8 days ago
Ordinal Numbers
commandz0
102
6ms
10 days ago
Ordinal Numbers
Andrey2001
116
21ms
11 days ago
Ordinal Numbers
edsrzf
59
1,289ms
13 days ago
Ordinal Numbers
ovs-code
64
9ms
18 days ago
Ordinal Numbers
DialFrost
🥉
206
1,680ms
25 days ago
Ordinal Numbers
dokutan
171
11ms
11 Jan 2026
Ordinal Numbers
edsrzf
🥇
44
113ms
11 Jan 2026
Ordinal Numbers
sunleonid
87
13ms
10 Jan 2026
Ordinal Numbers
emgordon154
225
1,753ms
9 Jan 2026
Ordinal Numbers
sean-niemann
🥈
94
2,255ms
7 Jan 2026
Ordinal Numbers
amazingalek
102
397ms
1 Jan 2026
Ordinal Numbers
mwarvik
121
450ms
1 Jan 2026
Ordinal Numbers
HPWiz
💎
51
1,045ms
1 Jan 2026
Ordinal Numbers
codewrite
152
418ms
30 Dec 2025
Ordinal Numbers
NoneTheFewer
157
290ms
27 Dec 2025
Ordinal Numbers
NoneTheFewer
127
13ms
27 Dec 2025
Ordinal Numbers
NoneTheFewer
142
12ms
27 Dec 2025
Ordinal Numbers
amazingalek
110
11ms
21 Dec 2025
Ordinal Numbers
TheZwierzLF
80
36ms
21 Dec 2025
Ordinal Numbers
edsrzf
135
177ms
21 Dec 2025
Ordinal Numbers
AlephSquirrel
73
8ms
20 Dec 2025
Ordinal Numbers
daniel-cardone
111
14ms
20 Dec 2025
Ordinal Numbers
albanian-laundromat
134
3ms
19 Dec 2025
Ordinal Numbers
aadenboy
80
3ms
16 Dec 2025
Ordinal Numbers
DialFrost
78
12ms
14 Dec 2025
Ordinal Numbers
ovs-code
🥇
124
158ms
13 Dec 2025
Ordinal Numbers
KasperKivimaeki
🥉
137
299ms
10 Dec 2025
Ordinal Numbers
Languag3
89
14ms
10 Dec 2025
Ordinal Numbers
ian-h-chamberlain
146
151ms
9 Dec 2025
Ordinal Numbers
snoozingnewt
69
11ms
8 Dec 2025
Ordinal Numbers
TheZwierzLF
112
20ms
8 Dec 2025
Ordinal Numbers
TheZwierzLF
102
488ms
8 Dec 2025
Ordinal Numbers
snoozingnewt
432
43ms
6 Dec 2025
Ordinal Numbers
emgordon154
🥉
144
139ms
4 Dec 2025
Ordinal Numbers
Murphy4444
107
269ms
3 Dec 2025
Ordinal Numbers
kmathis22
132
457ms
3 Dec 2025
Ordinal Numbers
Lv0Sys
71
10ms
3 Dec 2025
Ordinal Numbers
Lv0Sys
99
2ms
3 Dec 2025
Ordinal Numbers
Lv0Sys
92
12ms
3 Dec 2025
Ordinal Numbers
CaedenHarper
163
303ms
2 Dec 2025
Ordinal Numbers
DialFrost
🥈
120
112ms
2 Dec 2025
Ordinal Numbers
LostSyntax21
98
14ms
2 Dec 2025
Ordinal Numbers
KatieLG
36,885
208ms
30 Nov 2025
Ordinal Numbers
KatieLG
17,843
285ms
30 Nov 2025
Ordinal Numbers
ScottHamper
122
546ms
30 Nov 2025
Ordinal Numbers
edsrzf
107
194ms
30 Nov 2025
Ordinal Numbers
h3ra993huskp
133
556ms
30 Nov 2025
Ordinal Numbers
kg583
94
5ms
29 Nov 2025
Ordinal Numbers
CommandLeo
93
12ms
28 Nov 2025
Ordinal Numbers
edsrzf
💎
118
122ms
28 Nov 2025
Ordinal Numbers
vhoulbreque
170
129ms
27 Nov 2025