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
Seven Segment
qpwoeirut
186
10ms
2 mins ago
Seven Segment
Andrey2001
267
554ms
3 days ago
Seven Segment
JOrE20
204
211ms
4 days ago
Seven Segment
JOrE20
194
453ms
4 days ago
Seven Segment
JOrE20
194
10ms
4 days ago
Seven Segment
JOrE20
179
10ms
4 days ago
Seven Segment
blaztoma
114
10ms
5 days ago
Seven Segment
bitsandbeyond
226
51ms
8 days ago
Seven Segment
CommandLeo
142
9ms
8 days ago
Seven Segment
dokutan
573
2ms
9 days ago
Seven Segment
osNiko
145
48ms
12 days ago
Seven Segment
FoxInTheClouds
176
9ms
12 days ago
Seven Segment
nemoyatpeace
207
11ms
13 days ago
Seven Segment
dokutan
266
9ms
21 days ago
Seven Segment
IISResetMe
169
233ms
22 days ago
Seven Segment
plcc0
115
10ms
22 days ago
Seven Segment
anter69
95
1,279ms
23 days ago
Seven Segment
anter69
93
36ms
24 days ago
Seven Segment
anter69
113
9ms
24 days ago
Seven Segment
te-chnical
179
10ms
25 days ago
Seven Segment
TeodorDyakov
353
2ms
27 days ago
Seven Segment
amazingalek
197
380ms
27 days ago
Seven Segment
matejmatik123
372
1,025ms
4 Jan 2026
Seven Segment
snyderek
91
49ms
4 Jan 2026
Seven Segment
jkelly467
165
3,085ms
30 Dec 2025
Seven Segment
ahmetdemirag
154
10ms
30 Dec 2025
Seven Segment
NoneTheFewer
328
10ms
28 Dec 2025
Seven Segment
emgordon154
🥈
220
1,689ms
28 Dec 2025
Seven Segment
TheZwierzLF
170
35ms
26 Dec 2025
Seven Segment
mwarvik
218
432ms
26 Dec 2025
Seven Segment
osNiko
292
31ms
24 Dec 2025
Seven Segment
Bmrl7
139
10ms
22 Dec 2025
Seven Segment
CornerMercury
143
10ms
20 Dec 2025
Seven Segment
ravnskjaer
331
426ms
15 Dec 2025
Seven Segment
TheZwierzLF
197
630ms
14 Dec 2025
Seven Segment
TheZwierzLF
199
10ms
14 Dec 2025
Seven Segment
Andrey2001
275
10ms
13 Dec 2025
Seven Segment
Lv0Sys
184
51ms
13 Dec 2025
Seven Segment
snoozingnewt
🥈
131
116ms
11 Dec 2025
Seven Segment
snoozingnewt
123
9ms
11 Dec 2025
Seven Segment
edsrzf
💎
118
116ms
11 Dec 2025
Seven Segment
edsrzf
🥉
125
4ms
11 Dec 2025
Seven Segment
edsrzf
💎
139
9ms
11 Dec 2025
Seven Segment
edsrzf
🥇
140
5ms
11 Dec 2025
Seven Segment
edsrzf
💎
166
40ms
10 Dec 2025
Seven Segment
kg583
🥈
177
35ms
10 Dec 2025
Seven Segment
kg583
152
5ms
10 Dec 2025
Seven Segment
bizy-coder
133
10ms
10 Dec 2025
Seven Segment
LostSyntax21
🥉
150
111ms
9 Dec 2025
Seven Segment
kmathis22
216
518ms
9 Dec 2025
Seven Segment
bitsandbeyond
💎
84
229ms
8 Dec 2025
Seven Segment
FortuiteMan
159
9ms
6 Dec 2025
Seven Segment
llPlayll
246
9ms
5 Dec 2025
Seven Segment
vhoulbreque
204
10ms
3 Dec 2025
Seven Segment
dokutan
208
2ms
3 Dec 2025
Seven Segment
h3ra993huskp
254
523ms
30 Nov 2025
Seven Segment
LostSyntax21
212
10ms
30 Nov 2025
Seven Segment
Lv0Sys
128
9ms
27 Nov 2025
Seven Segment
Lv0Sys
143
10ms
27 Nov 2025
Seven Segment
AidanWalter
516
56ms
26 Nov 2025
Seven Segment
DialFrost
192
373ms
23 Nov 2025
Seven Segment
snoozingnewt
117
484ms
22 Nov 2025
Seven Segment
Kacarott
🥈
137
65ms
20 Nov 2025
Seven Segment
snoozingnewt
🥈
163
149ms
20 Nov 2025
Seven Segment
kumavale
197
150ms
19 Nov 2025
Seven Segment
edsrzf
136
1ms
17 Nov 2025
Seven Segment
alexsave
200
10ms
16 Nov 2025
Seven Segment
edsrzf
156
4ms
16 Nov 2025
Seven Segment
2bular
🥉
70
34ms
16 Nov 2025
Seven Segment
gigaprofisi
316
2ms
14 Nov 2025
Seven Segment
gigaprofisi
185
10ms
13 Nov 2025
Seven Segment
od86
346
435ms
12 Nov 2025
Seven Segment
2bular
37
51ms
10 Nov 2025
Seven Segment
emgordon154
🥈
61
41ms
9 Nov 2025
Seven Segment
solisolu
155
9ms
8 Nov 2025
Seven Segment
MeWhenI
255
1,778ms
7 Nov 2025
Seven Segment
MeWhenI
179
505ms
7 Nov 2025
Seven Segment
CaedenHarper
343
57ms
7 Nov 2025
Seven Segment
brandon-04
290
426ms
6 Nov 2025
Seven Segment
CaedenHarper
201
240ms
29 Oct 2025