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
Gray Code Decoder
Gray Code Encoder
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
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
Gray Code Decoder
Gray Code Encoder
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
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
Bytes
Time
Submitted
Roman to Arabic
Steffan153
💎
96
118ms
2 hours ago
Roman to Arabic
flekAI
346
49ms
10 hours ago
Roman to Arabic
flekAI
328
196ms
10 hours ago
Roman to Arabic
flekAI
274
9ms
10 hours ago
Roman to Arabic
flekAI
251
2,148ms
10 hours ago
Roman to Arabic
flekAI
561
45ms
10 hours ago
Roman to Arabic
flekAI
408
31ms
10 hours ago
Roman to Arabic
flekAI
232
123ms
10 hours ago
Roman to Arabic
flekAI
310
1,419ms
10 hours ago
Roman to Arabic
flekAI
335
460ms
10 hours ago
Roman to Arabic
flekAI
175
1,059ms
10 hours ago
Roman to Arabic
flekAI
246
113ms
10 hours ago
Roman to Arabic
flekAI
368
154ms
10 hours ago
Roman to Arabic
flekAI
237
8ms
10 hours ago
Roman to Arabic
flekAI
282
738ms
10 hours ago
Roman to Arabic
flekAI
220
2,676ms
10 hours ago
Roman to Arabic
flekAI
399
393ms
10 hours ago
Roman to Arabic
flekAI
314
200ms
10 hours ago
Roman to Arabic
flekAI
369
300ms
10 hours ago
Roman to Arabic
flekAI
347
1,370ms
10 hours ago
Roman to Arabic
flekAI
340
4ms
10 hours ago
Roman to Arabic
flekAI
216
8ms
13 hours ago
Roman to Arabic
flekAI
139
6ms
13 hours ago
Roman to Arabic
flekAI
134
13ms
13 hours ago
Roman to Arabic
flekAI
150
42ms
13 hours ago
Roman to Arabic
flekAI
100
479ms
14 hours ago
Roman to Arabic
flekAI
100
19ms
15 hours ago
Roman to Arabic
madex
140
4ms
46 hours ago
Roman to Arabic
jusaka
41
9ms
4 days ago
Roman to Arabic
vang1ong7ang
143
161ms
5 days ago
Roman to Arabic
Andrey2001
156
27ms
6 days ago
Roman to Arabic
retrohun
144
2,204ms
6 days ago
Roman to Arabic
denkyuu1
147
43ms
7 days ago
Roman to Arabic
kumavale
🥉
127
172ms
8 days ago
Roman to Arabic
zgialor-lab
170
24ms
8 days ago
Roman to Arabic
jusaka
100
24ms
10 days ago
Roman to Arabic
Steffan153
🥇
120
6ms
11 days ago
Roman to Arabic
prestosilver
151
407ms
12 days ago
Roman to Arabic
aksyristos
196
99ms
14 days ago
Roman to Arabic
JayXon
🥇
79
20ms
15 days ago
Roman to Arabic
emgordon154
82
68ms
15 days ago
Roman to Arabic
MeWhenI
111
171ms
16 days ago
Roman to Arabic
Zpuy
269
168ms
17 days ago
Roman to Arabic
targrik
124
24ms
17 days ago
Roman to Arabic
kg583
🥈
173
87ms
21 days ago
Roman to Arabic
Yewzir
🥉
186
94ms
21 days ago
Roman to Arabic
Steffan153
💎
154
84ms
22 days ago
Roman to Arabic
JayXon
🥇
126
167ms
24 days ago
Roman to Arabic
Yewzir
36
52ms
15 Mar 2026
Roman to Arabic
madex
160
190ms
14 Mar 2026
Roman to Arabic
madex
155
457ms
14 Mar 2026
Roman to Arabic
gigaprofisi
274
192ms
14 Mar 2026
Roman to Arabic
Natanaelel
🥇
35
80ms
13 Mar 2026
Roman to Arabic
Steffan153
🥈
102
479ms
13 Mar 2026
Roman to Arabic
tomh1012
283
454ms
12 Mar 2026
Roman to Arabic
Steffan153
🥈
82
2,411ms
12 Mar 2026
Roman to Arabic
snoozingnewt
91
532ms
11 Mar 2026
Roman to Arabic
snoozingnewt
100
20ms
11 Mar 2026
Roman to Arabic
Flekay
100
20ms
11 Mar 2026
Roman to Arabic
janAkali
269
375ms
10 Mar 2026
Roman to Arabic
Steffan153
🥇
60
43ms
9 Mar 2026
Roman to Arabic
edsrzf
💎
117
21ms
6 Mar 2026
Roman to Arabic
emgordon154
🥉
198
41ms
6 Mar 2026
Roman to Arabic
adriweb
230
7ms
5 Mar 2026
Roman to Arabic
Solathian
168
34ms
5 Mar 2026
Roman to Arabic
CaedenHarper
🥉
622
671ms
5 Mar 2026
Roman to Arabic
gresm
102
22ms
4 Mar 2026
Roman to Arabic
StefanHabel
100
21ms
4 Mar 2026
Roman to Arabic
plcc0
122
460ms
4 Mar 2026
Roman to Arabic
plcc0
131
4ms
4 Mar 2026
Roman to Arabic
plcc0
123
253ms
3 Mar 2026
Roman to Arabic
LostSyntax21
78
69ms
2 Mar 2026
Roman to Arabic
plcc0
26
53ms
2 Mar 2026
Roman to Arabic
plcc0
100
52ms
2 Mar 2026
Roman to Arabic
JOrE20
🥇
35
88ms
26 Feb 2026
Roman to Arabic
Chinay-Domitrix
169
2,494ms
24 Feb 2026
Roman to Arabic
frankgraziano
🥈
173
21ms
24 Feb 2026
Roman to Arabic
dokutan
250
24ms
23 Feb 2026
Roman to Arabic
junkondo-jp
147
17ms
22 Feb 2026
Roman to Arabic
kg583
106
120ms
20 Feb 2026