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
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
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
><>
ALGOL 68
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
ArkScript
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
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
ArkScript
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
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
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
Chars
Time
Submitted
Niven Numbers
dokutan
🥇
61
121ms
2 days ago
Niven Numbers
snoozingnewt
🥇
61
122ms
4 Dec 2025
Niven Numbers
KatieLG
134
173ms
30 Nov 2025
Niven Numbers
luuumine
62
124ms
11 Nov 2025
Niven Numbers
ian-h-chamberlain
62
125ms
3 Nov 2025
Niven Numbers
wackbyte
97
134ms
30 Sep 2025
Niven Numbers
albanian-laundromat
🥇
61
116ms
24 Sep 2025
Niven Numbers
kumavale
🥇
61
126ms
17 Aug 2025
Niven Numbers
CaedenHarper
111
104ms
16 Aug 2025
Niven Numbers
qpwoeirut
🥇
61
121ms
16 Aug 2025
Niven Numbers
edsrzf
🥇
61
120ms
26 Jul 2025
Niven Numbers
fuzzylojik-golf
🥇
61
141ms
17 Jun 2025
Niven Numbers
qwertyuiop3
63
120ms
4 Jun 2025
Niven Numbers
TannerJ07
98
140ms
6 Apr 2025
Niven Numbers
emgordon154
🥇
61
124ms
18 Feb 2025
Niven Numbers
acotis
🥇
61
129ms
26 Jan 2025
Niven Numbers
nullie
🥇
61
124ms
18 Dec 2024
Niven Numbers
Mabeloid
111
108ms
22 Sep 2024
Niven Numbers
pardouin
🥇
61
126ms
22 Aug 2024
Niven Numbers
WatMan77
126
152ms
6 Aug 2024
Niven Numbers
Florian-Mt
118
140ms
12 Jul 2024
Niven Numbers
Aurel300
71
122ms
6 Jun 2024
Niven Numbers
HumanoidCPU
111
108ms
8 May 2024
Niven Numbers
markusgraube
63
126ms
8 Mar 2024
Niven Numbers
elgan65536
🥇
61
116ms
5 Mar 2024
Niven Numbers
jackybabes
105
118ms
9 Feb 2024
Niven Numbers
okaponta
62
126ms
11 Jan 2024
Niven Numbers
Creative0708
62
118ms
16 Dec 2023
Niven Numbers
Betuaredead
🥇
61
122ms
11 Nov 2023
Niven Numbers
msbranicky
92
131ms
6 Oct 2023
Niven Numbers
Yewzir
🥇
61
124ms
23 Sep 2023
Niven Numbers
MiranDaniel
108
153ms
1 Sep 2023
Niven Numbers
ovs-code
🥇
61
122ms
20 Jun 2023
Niven Numbers
StronkCheese
63
120ms
22 May 2023
Niven Numbers
dzshn
117
137ms
23 Apr 2023
Niven Numbers
Shanethegamer
🥇
61
123ms
8 Mar 2023
Niven Numbers
rucin93
🥇
61
121ms
23 Jan 2023
Niven Numbers
DialFrost
🥇
61
119ms
18 Jan 2023
Niven Numbers
sean-niemann
🥇
61
119ms
17 Jan 2023
Niven Numbers
mousetail
63
117ms
12 Jan 2023
Niven Numbers
Re-Adventures
92
137ms
4 Jan 2023
Niven Numbers
retrohun
111
108ms
28 Dec 2022
Niven Numbers
klixel
68
123ms
6 Dec 2022
Niven Numbers
stefangimmillaro
🥇
61
119ms
25 Nov 2022
Niven Numbers
Steffan153
🥇
61
119ms
17 Nov 2022
Niven Numbers
andersk
🥇
61
122ms
22 Oct 2022
Niven Numbers
clockworknazo
🥇
61
122ms
12 Oct 2022
Niven Numbers
MeWhenI
🥇
61
123ms
10 Oct 2022
Niven Numbers
Ernest1338
107
142ms
6 Sep 2022
Niven Numbers
JGDoerrer
72
121ms
12 Aug 2022
Niven Numbers
Bubbler-4
🥇
61
121ms
8 Aug 2022
Niven Numbers
KatieLG-Transpiler
146
102ms
24 Jun 2022
Niven Numbers
TheSmilingTurtle
113
138ms
24 May 2022
Niven Numbers
scpchicken
98
138ms
19 May 2022
Niven Numbers
connorslade
118
145ms
13 May 2022
Niven Numbers
J00LZ
267
127ms
5 May 2022
Niven Numbers
DaCuteRaccoon
175
149ms
6 Apr 2022
Niven Numbers
lynn
🥇
61
123ms
10 Mar 2022
Niven Numbers
Eolu
72
125ms
20 Jan 2022
Niven Numbers
sisyphus-ppcg
🥇
61
125ms
17 Jan 2022
Niven Numbers
primo-ppcg
🥇
61
120ms
14 Jan 2022
Niven Numbers
Lydxn
🥇
61
113ms
13 Jan 2022
Niven Numbers
nipzu
62
121ms
13 Jan 2022
Niven Numbers
JayXon
🥇
61
115ms
13 Jan 2022
Niven Numbers
GrayJoKing
🥇
61
115ms
13 Jan 2022
Niven Numbers
prplz
🥇
61
120ms
13 Jan 2022
Niven Numbers
nwatx
210
125ms
1 Dec 2021
Niven Numbers
mokymok
145
105ms
9 Nov 2021
Niven Numbers
kurkale6ka
111
105ms
27 Jul 2021
Niven Numbers
anna099
164
158ms
21 Jul 2021
Niven Numbers
cure-honey
62
121ms
29 Jun 2021
Niven Numbers
wooster0
130
122ms
19 Jun 2021
Niven Numbers
Pena86
110
137ms
28 May 2021
Niven Numbers
bob8677
119
142ms
9 May 2021
Niven Numbers
zeerooth
104
117ms
2 Feb 2021
Niven Numbers
argusdusty
63
123ms
31 Dec 2020
Niven Numbers
somebody1234
63
118ms
27 Dec 2020
Niven Numbers
festiveelephantseal
193
175ms
27 Dec 2020
Niven Numbers
btjones0
63
123ms
27 Dec 2020
Niven Numbers
WhoisDavid
63
121ms
12 Sep 2020