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
Factorial Factorisation
Steffan153
🥉
71
450ms
2 days ago
Factorial Factorisation
Protothor
124
13ms
3 days ago
Factorial Factorisation
Lv0Sys
118
11ms
5 days ago
Factorial Factorisation
dokutan
🥈
832
19ms
5 days ago
Factorial Factorisation
CaedenHarper
🥉
870
6ms
7 days ago
Factorial Factorisation
GrayJoKing
💎
130
137ms
7 days ago
Factorial Factorisation
KatieLG
870
2ms
7 days ago
Factorial Factorisation
JOrE20
104
13ms
7 days ago
Factorial Factorisation
Steffan153
72
80ms
8 days ago
Factorial Factorisation
snoozingnewt
82
409ms
8 days ago
Factorial Factorisation
snoozingnewt
82
51ms
8 days ago
Factorial Factorisation
elgan65536
145
366ms
10 days ago
Factorial Factorisation
Steffan153
💎
88
887ms
11 days ago
Factorial Factorisation
kg583
184
35ms
12 days ago
Factorial Factorisation
Steffan153
🥇
108
9ms
12 days ago
Factorial Factorisation
lelbal
138
16ms
13 days ago
Factorial Factorisation
Flekay
83
52ms
13 days ago
Factorial Factorisation
plcc0
35
44ms
14 days ago
Factorial Factorisation
Nxllpointer
44
4ms
14 days ago
Factorial Factorisation
dokutan
100
414ms
14 days ago
Factorial Factorisation
denkyuu1
89
46ms
15 days ago
Factorial Factorisation
Steffan153
🥉
90
2,441ms
17 days ago
Factorial Factorisation
CornerMercury
869
62ms
18 days ago
Factorial Factorisation
dokutan
109
118ms
20 days ago
Factorial Factorisation
Shanethegamer
869
2ms
21 days ago
Factorial Factorisation
Shanethegamer
870
1ms
21 days ago
Factorial Factorisation
elgan65536
149
120ms
21 days ago
Factorial Factorisation
Natanaelel
54
54ms
22 days ago
Factorial Factorisation
HumanoidCPU
870
1ms
23 days ago
Factorial Factorisation
D-MOVE
75
45ms
25 days ago
Factorial Factorisation
kasarino
236
43ms
26 days ago
Factorial Factorisation
kasarino
205
2ms
26 days ago
Factorial Factorisation
Andrey2001
869
66ms
26 days ago
Factorial Factorisation
Andrey2001
204
26ms
27 days ago
Factorial Factorisation
dokutan
556
1,932ms
26 Jan 2026
Factorial Factorisation
edsrzf
🥇
110
11ms
26 Jan 2026
Factorial Factorisation
kg583
🥇
110
11ms
25 Jan 2026
Factorial Factorisation
bac0id
870
1ms
25 Jan 2026
Factorial Factorisation
dokutan
430
40ms
23 Jan 2026
Factorial Factorisation
dokutan
380
14ms
23 Jan 2026
Factorial Factorisation
dokutan
201
70ms
23 Jan 2026
Factorial Factorisation
blaztoma
73
43ms
23 Jan 2026
Factorial Factorisation
lukegustafson
88
10ms
21 Jan 2026
Factorial Factorisation
DialFrost
🥈
224
1,707ms
20 Jan 2026
Factorial Factorisation
sunleonid
94
74ms
19 Jan 2026
Factorial Factorisation
MeWhenI
🥉
229
1,728ms
19 Jan 2026
Factorial Factorisation
alexsave
133
10ms
18 Jan 2026
Factorial Factorisation
77Tigers
125
16ms
16 Jan 2026
Factorial Factorisation
Matter1024
80
42ms
15 Jan 2026
Factorial Factorisation
dokutan
464
10ms
11 Jan 2026
Factorial Factorisation
Natanaelel
🥉
111
7ms
11 Jan 2026
Factorial Factorisation
emgordon154
230
1,636ms
9 Jan 2026
Factorial Factorisation
KatieLG-Transpiler
865
4ms
9 Jan 2026
Factorial Factorisation
KatieLG-Transpiler
870
9ms
9 Jan 2026
Factorial Factorisation
KatieLG-Transpiler
868
2ms
9 Jan 2026
Factorial Factorisation
KatieLG
67
48ms
7 Jan 2026
Factorial Factorisation
HumanoidCPU
870
3ms
1 Jan 2026
Factorial Factorisation
solisolu
122
738ms
31 Dec 2025
Factorial Factorisation
amazingalek
391
391ms
30 Dec 2025
Factorial Factorisation
DialFrost
🥉
128
44ms
30 Dec 2025
Factorial Factorisation
albanian-laundromat
💎
209
28ms
29 Dec 2025
Factorial Factorisation
DialFrost
🥈
114
862ms
29 Dec 2025
Factorial Factorisation
dokutan
584
111ms
29 Dec 2025
Factorial Factorisation
edsrzf
🥉
151
10ms
29 Dec 2025
Factorial Factorisation
DialFrost
100
235ms
29 Dec 2025
Factorial Factorisation
dokutan
411
127ms
27 Dec 2025
Factorial Factorisation
dokutan
560
475ms
27 Dec 2025
Factorial Factorisation
edsrzf
🥉
136
40ms
27 Dec 2025
Factorial Factorisation
edsrzf
🥈
90
1,749ms
27 Dec 2025
Factorial Factorisation
HumanoidCPU
472
865ms
27 Dec 2025
Factorial Factorisation
noahdorsch
325
1,402ms
27 Dec 2025
Factorial Factorisation
dokutan
🥉
287
2ms
26 Dec 2025
Factorial Factorisation
JOrE20
🥉
548
36ms
26 Dec 2025
Factorial Factorisation
canissimia
💎
84
72ms
25 Dec 2025
Factorial Factorisation
albanian-laundromat
121
20ms
25 Dec 2025
Factorial Factorisation
albanian-laundromat
170
290ms
25 Dec 2025
Factorial Factorisation
albanian-laundromat
🥈
427
69ms
24 Dec 2025
Factorial Factorisation
albanian-laundromat
135
45ms
24 Dec 2025
Factorial Factorisation
error256
72
42ms
24 Dec 2025
Factorial Factorisation
JOrE20
811
122ms
24 Dec 2025