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
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
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
Roman to Arabic
Andrey2001
176
18ms
2 days ago
Roman to Arabic
JOrE20
224
109ms
5 days ago
Roman to Arabic
kg583
112
13ms
7 days ago
Roman to Arabic
rahy-nk
432
604ms
7 days ago
Roman to Arabic
ovs-code
56
38ms
8 days ago
Roman to Arabic
Yax42
117
12ms
11 days ago
Roman to Arabic
DialFrost
🥈
196
1,687ms
14 days ago
Roman to Arabic
alexsave
134
18ms
18 days ago
Roman to Arabic
dokutan
149
18ms
21 days ago
Roman to Arabic
commandz0
85
43ms
22 days ago
Roman to Arabic
zhaohm14
123
21ms
24 days ago
Roman to Arabic
te-chnical
139
24ms
25 days ago
Roman to Arabic
amazingalek
216
378ms
26 days ago
Roman to Arabic
DialFrost
🥈
103
66ms
4 Jan 2026
Roman to Arabic
msbranicky
559
4ms
1 Jan 2026
Roman to Arabic
DialFrost
🥉
138
40ms
31 Dec 2025
Roman to Arabic
ryyyn
99
25ms
29 Dec 2025
Roman to Arabic
JOrE20
129
534ms
29 Dec 2025
Roman to Arabic
JOrE20
462
363ms
29 Dec 2025
Roman to Arabic
KatieLG
127
38ms
26 Dec 2025
Roman to Arabic
MeWhenI
293
46ms
25 Dec 2025
Roman to Arabic
HumanoidCPU
252
7ms
23 Dec 2025
Roman to Arabic
HumanoidCPU
247
6ms
23 Dec 2025
Roman to Arabic
kmathis22
248
145ms
22 Dec 2025
Roman to Arabic
kmathis22
285
201ms
22 Dec 2025
Roman to Arabic
kmathis22
323
5ms
22 Dec 2025
Roman to Arabic
edsrzf
🥉
120
136ms
22 Dec 2025
Roman to Arabic
Lv0Sys
121
21ms
21 Dec 2025
Roman to Arabic
ovs-code
🥇
122
356ms
19 Dec 2025
Roman to Arabic
kmathis22
244
587ms
19 Dec 2025
Roman to Arabic
blaztoma
101
18ms
19 Dec 2025
Roman to Arabic
CornerMercury
89
544ms
17 Dec 2025
Roman to Arabic
CornerMercury
99
39ms
17 Dec 2025
Roman to Arabic
tomh1012
286
480ms
16 Dec 2025
Roman to Arabic
Mukundan314
100
18ms
16 Dec 2025
Roman to Arabic
msbranicky
355
237ms
14 Dec 2025
Roman to Arabic
snoozingnewt
111
701ms
13 Dec 2025
Roman to Arabic
snoozingnewt
119
196ms
13 Dec 2025
Roman to Arabic
snoozingnewt
🥈
116
141ms
13 Dec 2025
Roman to Arabic
msbranicky
273
154ms
12 Dec 2025
Roman to Arabic
emplv
🥇
79
15ms
12 Dec 2025
Roman to Arabic
CaedenHarper
87
485ms
8 Dec 2025
Roman to Arabic
TomvdPeet
129
28ms
7 Dec 2025
Roman to Arabic
sean-niemann
🥇
104
29ms
7 Dec 2025
Roman to Arabic
rucin93
118
36ms
7 Dec 2025
Roman to Arabic
FortuiteMan
🥇
35
79ms
7 Dec 2025
Roman to Arabic
CornerMercury
🥇
35
82ms
7 Dec 2025
Roman to Arabic
FortuiteMan
🥈
148
107ms
4 Dec 2025
Roman to Arabic
albanian-laundromat
244
144ms
3 Dec 2025
Roman to Arabic
Yewzir
89
519ms
30 Nov 2025
Roman to Arabic
DialFrost
💎
110
114ms
30 Nov 2025
Roman to Arabic
KatieLG
84,953
1,527ms
30 Nov 2025
Roman to Arabic
ScottHamper
🥈
113
726ms
30 Nov 2025
Roman to Arabic
KatieLG
42,051
3,379ms
30 Nov 2025
Roman to Arabic
h3ra993huskp
194
661ms
30 Nov 2025
Roman to Arabic
Lv0Sys
110
13ms
29 Nov 2025
Roman to Arabic
JOrE20
527
176ms
27 Nov 2025
Roman to Arabic
AidanWalter
1,011
1,235ms
27 Nov 2025
Roman to Arabic
AidanWalter
1,053
154ms
27 Nov 2025
Roman to Arabic
AidanWalter
1,065
4ms
27 Nov 2025
Roman to Arabic
Babafaba
89
520ms
26 Nov 2025
Roman to Arabic
edsrzf
101
6ms
25 Nov 2025
Roman to Arabic
aksyristos
637
184ms
22 Nov 2025
Roman to Arabic
aksyristos
468
462ms
22 Nov 2025
Roman to Arabic
aksyristos
939
3ms
22 Nov 2025
Roman to Arabic
CommandLeo
118
218ms
22 Nov 2025
Roman to Arabic
snoozingnewt
125
7ms
22 Nov 2025
Roman to Arabic
Schmitt-Very-Cool
905
1,513ms
22 Nov 2025
Roman to Arabic
blaztoma
🥇
61
164ms
22 Nov 2025
Roman to Arabic
blaztoma
70
44ms
22 Nov 2025
Roman to Arabic
kumavale
🥉
131
170ms
22 Nov 2025
Roman to Arabic
scpchicken
662
195ms
22 Nov 2025
Roman to Arabic
scpchicken
755
163ms
22 Nov 2025
Roman to Arabic
scpchicken
651
4ms
22 Nov 2025
Roman to Arabic
Schmitt-Very-Cool
486
154ms
22 Nov 2025
Roman to Arabic
Schmitt-Very-Cool
456
3ms
22 Nov 2025
Roman to Arabic
aalec
213
27ms
22 Nov 2025
Roman to Arabic
TheZwierzLF
134
823ms
22 Nov 2025
Roman to Arabic
Zach1031
305
158ms
21 Nov 2025
Roman to Arabic
Zach1031
405
4ms
21 Nov 2025