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
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
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
Calendar
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
Multitap Input
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
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
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
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
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
Calendar
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
Multitap Input
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
Arithmetic Numbers
Lv0Sys
83
1,528ms
3 days ago
Arithmetic Numbers
ovs-code
💎
72
4,287ms
6 days ago
Arithmetic Numbers
jenuk
97
1,225ms
10 days ago
Arithmetic Numbers
IshanPanpaliya
83
1,636ms
12 days ago
Arithmetic Numbers
CommandLeo
78
3,329ms
14 days ago
Arithmetic Numbers
Andrey2001
85
1,490ms
15 days ago
Arithmetic Numbers
luuumine
87
4,000ms
15 days ago
Arithmetic Numbers
solisolu
77
3,216ms
16 days ago
Arithmetic Numbers
AstroOrbis
95
1,509ms
16 days ago
Arithmetic Numbers
TheZwierzLF
120
727ms
17 days ago
Arithmetic Numbers
robbertvz
85
1,624ms
22 days ago
Arithmetic Numbers
j-zhang43
93
3,452ms
25 days ago
Arithmetic Numbers
Babafaba
77
2,910ms
25 days ago
Arithmetic Numbers
Papushkado
98
1,476ms
10 Nov 2025
Arithmetic Numbers
madeforlosers
99
1,519ms
7 Nov 2025
Arithmetic Numbers
webmiche
87
3,767ms
3 Nov 2025
Arithmetic Numbers
levinwinter
88
1,875ms
2 Nov 2025
Arithmetic Numbers
Laellekoenig
88
1,884ms
31 Oct 2025
Arithmetic Numbers
butnaruteodor
82
1,928ms
30 Oct 2025
Arithmetic Numbers
2Fabi1
86
1,684ms
29 Oct 2025
Arithmetic Numbers
mathieurodic
84
1,517ms
29 Oct 2025
Arithmetic Numbers
dvckyduck
115
2,231ms
24 Oct 2025
Arithmetic Numbers
iczelia
81
3,133ms
19 Oct 2025
Arithmetic Numbers
nulzo
86
1,579ms
17 Oct 2025
Arithmetic Numbers
Code-Coder-coder
85
1,607ms
12 Oct 2025
Arithmetic Numbers
TJK-S
99
2,379ms
10 Oct 2025
Arithmetic Numbers
snoozingnewt
77
2,968ms
10 Oct 2025
Arithmetic Numbers
Evytag
206
44ms
9 Oct 2025
Arithmetic Numbers
jacekwladzinski
86
1,570ms
2 Oct 2025
Arithmetic Numbers
albanian-laundromat
77
2,885ms
1 Oct 2025
Arithmetic Numbers
J09M
124
2,236ms
1 Oct 2025
Arithmetic Numbers
qpwoeirut
81
2,111ms
1 Oct 2025
Arithmetic Numbers
Andre3582
98
1,514ms
28 Sep 2025
Arithmetic Numbers
jared-hughes
78
2,043ms
28 Sep 2025
Arithmetic Numbers
BrunoVisnadi
77
2,975ms
27 Sep 2025
Arithmetic Numbers
HETHAT
77
3,004ms
26 Sep 2025
Arithmetic Numbers
kadamkaustubh
101
3,827ms
26 Sep 2025
Arithmetic Numbers
blaztoma
80
1,474ms
24 Sep 2025
Arithmetic Numbers
pauljoohyunkim
91
1,079ms
24 Sep 2025
Arithmetic Numbers
0dyse
93
1,480ms
22 Sep 2025
Arithmetic Numbers
robin-scragg
89
1,471ms
20 Sep 2025
Arithmetic Numbers
InigoK
78
2,293ms
20 Sep 2025
Arithmetic Numbers
lelbal
79
2,916ms
19 Sep 2025
Arithmetic Numbers
Alex-Huggett
94
2,737ms
13 Sep 2025
Arithmetic Numbers
arjunarya1
84
1,468ms
11 Sep 2025
Arithmetic Numbers
mishak-sys
81
2,938ms
10 Sep 2025
Arithmetic Numbers
KapelMeister
163
55ms
8 Sep 2025
Arithmetic Numbers
pardouin
🥈
73
4,997ms
31 Aug 2025
Arithmetic Numbers
EthanJantz
96
1,846ms
28 Aug 2025
Arithmetic Numbers
Daniel-Ellison
78
2,894ms
28 Aug 2025
Arithmetic Numbers
2011-Chan-Ethan
81
1,459ms
27 Aug 2025
Arithmetic Numbers
Matter1024
91
1,454ms
24 Aug 2025
Arithmetic Numbers
RaBa21
82
1,448ms
21 Aug 2025
Arithmetic Numbers
Upload-and-View
236
43ms
19 Aug 2025
Arithmetic Numbers
wobblybits
93
746ms
18 Aug 2025
Arithmetic Numbers
saturzay
90
1,440ms
18 Aug 2025
Arithmetic Numbers
Emutis
92
2,831ms
16 Aug 2025
Arithmetic Numbers
osNiko
94
1,460ms
15 Aug 2025
Arithmetic Numbers
orsinium
103
1,070ms
14 Aug 2025
Arithmetic Numbers
SebassNoob
90
1,554ms
5 Aug 2025
Arithmetic Numbers
Zhenyu-Bo
888
40ms
1 Aug 2025
Arithmetic Numbers
itu-itis21-akkoyuno21
83
1,639ms
17 Jul 2025
Arithmetic Numbers
DrPrettyman
97
1,454ms
16 Jul 2025
Arithmetic Numbers
5cw
77
2,008ms
14 Jul 2025
Arithmetic Numbers
dirckvdende
77
2,902ms
13 Jul 2025
Arithmetic Numbers
Flekay
81
1,449ms
10 Jul 2025
Arithmetic Numbers
fkantelberg
78
4,131ms
10 Jul 2025
Arithmetic Numbers
clayboll99
95
1,513ms
9 Jul 2025
Arithmetic Numbers
vgamula
84
2,103ms
7 Jul 2025
Arithmetic Numbers
4atj
🥉
75
4,979ms
3 Jul 2025
Arithmetic Numbers
KasperKivimaeki
87
3,703ms
30 Jun 2025
Arithmetic Numbers
bknower
85
1,510ms
29 Jun 2025
Arithmetic Numbers
m-tkach
🥉
75
4,876ms
29 Jun 2025
Arithmetic Numbers
tejapvk
83
1,513ms
19 Jun 2025
Arithmetic Numbers
Mukundan314
78
1,958ms
19 Jun 2025