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
Alphabetic Numbers
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
Alphabetic Numbers
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 (Long)
kevinnaviapaiva
104
43ms
20 hours ago
Niven Numbers (Long)
kg583
94
56ms
2 days ago
Niven Numbers (Long)
tsschepens
113
3ms
2 days ago
Niven Numbers (Long)
Steffan153
🥇
124
1,484ms
3 days ago
Niven Numbers (Long)
pardouin
72
113ms
4 days ago
Niven Numbers (Long)
emgordon154
78
14ms
5 days ago
Niven Numbers (Long)
plcc0
52
18ms
5 days ago
Niven Numbers (Long)
GolfingSuccess
94
56ms
5 days ago
Niven Numbers (Long)
Steffan153
🥇
48
6ms
8 days ago
Niven Numbers (Long)
Steffan153
🥇
88
116ms
8 days ago
Niven Numbers (Long)
JOrE20
126
27ms
8 days ago
Niven Numbers (Long)
Steffan153
49
396ms
8 days ago
Niven Numbers (Long)
GrayJoKing
🥇
64
11ms
9 days ago
Niven Numbers (Long)
edsrzf
76
10ms
10 days ago
Niven Numbers (Long)
frankgraziano
78
14ms
11 days ago
Niven Numbers (Long)
dokutan
80
16ms
11 days ago
Niven Numbers (Long)
emgordon154
26
3ms
12 days ago
Niven Numbers (Long)
CaedenHarper
10,523
128ms
12 days ago
Niven Numbers (Long)
KatieLG
7,446
4ms
13 days ago
Niven Numbers (Long)
KatieLG
10,568
17ms
13 days ago
Niven Numbers (Long)
Steffan153
🥇
64
10ms
13 days ago
Niven Numbers (Long)
DialFrost
🥇
64
10ms
13 days ago
Niven Numbers (Long)
Steffan153
🥇
50
32ms
13 days ago
Niven Numbers (Long)
netfri25
57
234ms
14 days ago
Niven Numbers (Long)
rotemkm
63
17ms
14 days ago
Niven Numbers (Long)
Steffan153
🥇
74
19ms
18 days ago
Niven Numbers (Long)
dokutan
79
475ms
19 days ago
Niven Numbers (Long)
Flekay
52
18ms
19 days ago
Niven Numbers (Long)
dokutan
51
368ms
20 days ago
Niven Numbers (Long)
Aquateraneal
64
17ms
21 days ago
Niven Numbers (Long)
Steffan153
🥇
54
3ms
21 days ago
Niven Numbers (Long)
Steffan153
🥇
55
66ms
21 days ago
Niven Numbers (Long)
Steffan153
🥇
47
748ms
21 days ago
Niven Numbers (Long)
snoozingnewt
52
378ms
21 days ago
Niven Numbers (Long)
snoozingnewt
52
17ms
21 days ago
Niven Numbers (Long)
Steffan153
🥇
54
2,424ms
22 days ago
Niven Numbers (Long)
Steffan153
🥈
136
1,608ms
23 days ago
Niven Numbers (Long)
Steffan153
🥉
79
371ms
23 days ago
Niven Numbers (Long)
Steffan153
62
3ms
23 days ago
Niven Numbers (Long)
edsrzf
109
322ms
25 days ago
Niven Numbers (Long)
edsrzf
🥉
69
4ms
25 days ago
Niven Numbers (Long)
emgordon154
85
368ms
25 days ago
Niven Numbers (Long)
dokutan
60
66ms
26 days ago
Niven Numbers (Long)
FoxInTheClouds
54
16ms
26 days ago
Niven Numbers (Long)
emgordon154
95
55ms
26 days ago
Niven Numbers (Long)
Shanethegamer
7,445
4ms
27 days ago
Niven Numbers (Long)
Shanethegamer
7,450
1ms
27 days ago
Niven Numbers (Long)
dokutan
73
3ms
6 Feb 2026
Niven Numbers (Long)
HumanoidCPU
7,450
1ms
6 Feb 2026
Niven Numbers (Long)
kasarino
104
3ms
5 Feb 2026
Niven Numbers (Long)
Yewzir
64
2ms
5 Feb 2026
Niven Numbers (Long)
kasarino
108
43ms
5 Feb 2026
Niven Numbers (Long)
edsrzf
104
28ms
5 Feb 2026
Niven Numbers (Long)
edsrzf
80
364ms
5 Feb 2026
Niven Numbers (Long)
edsrzf
92
90ms
4 Feb 2026
Niven Numbers (Long)
JOrE20
47
317ms
4 Feb 2026
Niven Numbers (Long)
JOrE20
34
135ms
4 Feb 2026
Niven Numbers (Long)
snoozingnewt
26
96ms
4 Feb 2026
Niven Numbers (Long)
Thinkr1
40
43ms
3 Feb 2026
Niven Numbers (Long)
yeminghan2021
96
58ms
3 Feb 2026
Niven Numbers (Long)
kevinnaviapaiva
129
23ms
31 Jan 2026
Niven Numbers (Long)
sciencejiho
68
17ms
29 Jan 2026
Niven Numbers (Long)
Andrey2001
63
436ms
28 Jan 2026
Niven Numbers (Long)
albanian-laundromat
69
440ms
23 Jan 2026
Niven Numbers (Long)
retrohun
9,157
1,692ms
23 Jan 2026
Niven Numbers (Long)
Natanaelel
🥇
24
167ms
22 Jan 2026
Niven Numbers (Long)
Yax42
51
12ms
20 Jan 2026
Niven Numbers (Long)
Nxllpointer
22
18ms
18 Jan 2026
Niven Numbers (Long)
canissimia
🥇
48
4ms
16 Jan 2026
Niven Numbers (Long)
dokutan
197
1,457ms
15 Jan 2026
Niven Numbers (Long)
77Tigers
55
16ms
13 Jan 2026
Niven Numbers (Long)
nemoyatpeace
60
24ms
12 Jan 2026
Niven Numbers (Long)
dokutan
86
12ms
11 Jan 2026
Niven Numbers (Long)
KatieLG-Transpiler
8,978
4ms
9 Jan 2026
Niven Numbers (Long)
KatieLG-Transpiler
8,983
14ms
9 Jan 2026
Niven Numbers (Long)
KatieLG-Transpiler
8,981
2ms
9 Jan 2026
Niven Numbers (Long)
fuzzylojik-golf
72
118ms
7 Jan 2026
Niven Numbers (Long)
TeodorDyakov
389
3ms
5 Jan 2026
Niven Numbers (Long)
sean-niemann
95
114ms
4 Jan 2026
Niven Numbers (Long)
DialFrost
77
19ms
2 Jan 2026