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
Evil Numbers
snoozingnewt
39
112ms
13 Sep 2025
Evil Numbers
fuzzylojik-golf
33
104ms
21 Aug 2025
Evil Numbers
CaedenHarper
75
95ms
16 Aug 2025
Evil Numbers
sean-niemann
27
183ms
7 Mar 2025
Evil Numbers
alphafalfa
38
119ms
9 Dec 2024
Evil Numbers
dokutan
64
115ms
14 Oct 2024
Evil Numbers
anter69
75
104ms
18 Sep 2024
Evil Numbers
Mabeloid
75
112ms
17 Sep 2024
Evil Numbers
pardouin
28
111ms
23 Aug 2024
Evil Numbers
KatieLG
75
95ms
2 Jun 2024
Evil Numbers
HumanoidCPU
75
83ms
14 May 2024
Evil Numbers
rucin93
33
128ms
28 Feb 2024
Evil Numbers
ovs-code
26
108ms
1 Jan 2024
Evil Numbers
DialFrost
29
112ms
27 Nov 2023
Evil Numbers
msbranicky
51
153ms
10 Sep 2023
Evil Numbers
Schmitt-Very-Cool
220
112ms
2 Aug 2023
Evil Numbers
Shanethegamer
32
136ms
22 Mar 2023
Evil Numbers
SirFireball3521
34
176ms
16 Mar 2023
Evil Numbers
neel11235813
34
153ms
3 Feb 2023
Evil Numbers
retrohun
34
103ms
30 Dec 2022
Evil Numbers
GrayJoKing
🥇
24
119ms
16 Dec 2022
Evil Numbers
Steffan153
27
167ms
16 Dec 2022
Evil Numbers
trist224
33
137ms
14 Dec 2022
Evil Numbers
MeWhenI
34
95ms
4 Aug 2022
Evil Numbers
KatieLG-Transpiler
75
117ms
24 Jun 2022
Evil Numbers
Lydxn
🥇
24
134ms
1 May 2022
Evil Numbers
krcs
34
148ms
21 Apr 2022
Evil Numbers
scpchicken
33
107ms
2 Feb 2022
Evil Numbers
nwellnhof
🥇
24
127ms
6 Dec 2021
Evil Numbers
mokymok
99
97ms
9 Nov 2021
Evil Numbers
Natanaelel
26
102ms
24 Sep 2021
Evil Numbers
olivermrose
34
139ms
20 Sep 2021
Evil Numbers
reario
62
145ms
31 May 2021
Evil Numbers
SirBogman
27
133ms
15 May 2021
Evil Numbers
Indivicivet
31
103ms
22 Mar 2021
Evil Numbers
sisyphus-ppcg
26
131ms
4 Jan 2021
Evil Numbers
o0lit3
26
100ms
23 Dec 2020
Evil Numbers
xkacer
75
115ms
22 Nov 2020
Evil Numbers
rvdnieuwendijk
34
103ms
20 Oct 2020
Evil Numbers
primo-ppcg
26
141ms
19 Oct 2020
Evil Numbers
prplz
26
118ms
14 Oct 2020
Evil Numbers
Attero
33
122ms
6 Oct 2020
Evil Numbers
itiievskyi
36
149ms
11 Aug 2020
Evil Numbers
jjatria
38
101ms
6 Jul 2020
Evil Numbers
ZippyMagician
55
156ms
8 Jun 2020
Evil Numbers
RustemB
37
108ms
18 May 2020
Evil Numbers
Hans-Giebenrath
42
145ms
1 May 2019
Evil Numbers
elisherer
34
148ms
13 Apr 2019
Evil Numbers
metakuna
34
95ms
13 Apr 2019
Evil Numbers
massung
51
108ms
26 Mar 2019
Evil Numbers
ingdanko
78
95ms
11 Feb 2019
Evil Numbers
somebody1234
34
127ms
11 Nov 2018
Evil Numbers
xohmz
34
108ms
5 Nov 2018
Evil Numbers
hughsimpson
35
101ms
18 Jul 2018
Evil Numbers
IAGOAG
36
159ms
25 Jun 2018
Evil Numbers
yokasuretsu
34
103ms
22 Jun 2018
Evil Numbers
thospel
27
138ms
16 Apr 2018
Evil Numbers
phdphil
34
100ms
7 Apr 2018
Evil Numbers
gustawdaniel
38
152ms
1 Apr 2018
Evil Numbers
AlexDaniel
37
168ms
24 Feb 2018
Evil Numbers
labster
34
96ms
20 Feb 2018
Evil Numbers
mcreenan
34
92ms
27 Jan 2018
Evil Numbers
evb0110
34
104ms
24 Jan 2018
Evil Numbers
biotinker
45
134ms
24 Jan 2018
Evil Numbers
FCO
42
138ms
20 Jan 2018
Evil Numbers
jkramer
39
125ms
17 Jan 2018
Evil Numbers
dan-simon
29
104ms
2 Jan 2018
Evil Numbers
bluebear94
34
163ms
23 Dec 2017
Evil Numbers
ohmycloud
59
166ms
19 Dec 2017
Evil Numbers
joaquinferrero
44
113ms
18 Dec 2017
Evil Numbers
Scimon
38
126ms
14 Dec 2017
Evil Numbers
j55d
48
108ms
4 Dec 2017
Evil Numbers
titsuki
74
184ms
19 Nov 2017
Evil Numbers
lancew
75
83ms
16 Nov 2017
Evil Numbers
daotoad
51
111ms
6 Nov 2017