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
Gray Code Decoder
Gray Code Encoder
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
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
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
ArkScript
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
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
Gray Code Decoder
Gray Code Encoder
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
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Emirp Numbers (Long)
solisolu
105
436ms
3 hours ago
Emirp Numbers (Long)
edsrzf
💎
91
3,850ms
37 hours ago
Emirp Numbers (Long)
edsrzf
🥈
74
1,537ms
37 hours ago
Emirp Numbers (Long)
edsrzf
127
98ms
39 hours ago
Emirp Numbers (Long)
edsrzf
💎
135
45ms
39 hours ago
Emirp Numbers (Long)
osNiko
102
62ms
45 hours ago
Emirp Numbers (Long)
jusaka
137
144ms
2 days ago
Emirp Numbers (Long)
NameRandomString
1,162
2ms
3 days ago
Emirp Numbers (Long)
Unknownuserfrommars
235
17ms
3 days ago
Emirp Numbers (Long)
scpchicken
120
323ms
4 days ago
Emirp Numbers (Long)
jusaka
110
1,551ms
4 days ago
Emirp Numbers (Long)
jusaka
165
393ms
4 days ago
Emirp Numbers (Long)
jusaka
88
20ms
4 days ago
Emirp Numbers (Long)
vang1ong7ang
166
138ms
5 days ago
Emirp Numbers (Long)
Emutis
80
114ms
5 days ago
Emirp Numbers (Long)
pardouin
🥇
93
2,851ms
6 days ago
Emirp Numbers (Long)
professor-l
159
14ms
8 days ago
Emirp Numbers (Long)
aksyristos
82
44ms
8 days ago
Emirp Numbers (Long)
Matter1024
1,094
621ms
9 days ago
Emirp Numbers (Long)
GolfingSuccess
🥇
138
98ms
9 days ago
Emirp Numbers (Long)
Steffan153
🥇
138
96ms
9 days ago
Emirp Numbers (Long)
prestosilver
144
1,162ms
11 days ago
Emirp Numbers (Long)
kg583
🥇
138
102ms
13 days ago
Emirp Numbers (Long)
Yewzir
149
106ms
14 days ago
Emirp Numbers (Long)
BrunoVisnadi
85
261ms
15 days ago
Emirp Numbers (Long)
CaedenHarper
183
522ms
15 days ago
Emirp Numbers (Long)
dokutan
1,163
3ms
16 days ago
Emirp Numbers (Long)
CaedenHarper
1,163
3ms
17 days ago
Emirp Numbers (Long)
edsrzf
141
97ms
18 days ago
Emirp Numbers (Long)
edsrzf
33
7ms
18 days ago
Emirp Numbers (Long)
CaedenHarper
42
228ms
20 days ago
Emirp Numbers (Long)
kitotch
119
4,409ms
20 days ago
Emirp Numbers (Long)
MeWhenI
42
3ms
21 days ago
Emirp Numbers (Long)
blaztoma
80
115ms
21 days ago
Emirp Numbers (Long)
kg583
💎
101
502ms
21 days ago
Emirp Numbers (Long)
Seek64
🥇
76
1,400ms
21 days ago
Emirp Numbers (Long)
GrayJoKing
79
2,714ms
21 days ago
Emirp Numbers (Long)
emgordon154
🥇
27
10ms
21 days ago
Emirp Numbers (Long)
dokutan
901
265ms
22 days ago
Emirp Numbers (Long)
Yewzir
32
2,875ms
23 days ago
Emirp Numbers (Long)
tomh1012
101
1,367ms
25 days ago
Emirp Numbers (Long)
snoozingnewt
86
460ms
26 days ago
Emirp Numbers (Long)
snoozingnewt
88
19ms
26 days ago
Emirp Numbers (Long)
scpchicken
48
3ms
26 days ago
Emirp Numbers (Long)
fantaize
155
146ms
27 days ago
Emirp Numbers (Long)
Flekay
88
20ms
27 days ago
Emirp Numbers (Long)
snoozingnewt
154
518ms
6 Mar 2026
Emirp Numbers (Long)
FortuiteMan
🥈
154
3,414ms
5 Mar 2026
Emirp Numbers (Long)
anter69
87
1,319ms
3 Mar 2026
Emirp Numbers (Long)
Lv0Sys
100
185ms
26 Feb 2026
Emirp Numbers (Long)
Lv0Sys
96
1,053ms
26 Feb 2026
Emirp Numbers (Long)
dokutan
🥉
999
13ms
23 Feb 2026
Emirp Numbers (Long)
JOrE20
110
190ms
22 Feb 2026
Emirp Numbers (Long)
JOrE20
🥈
622
9ms
22 Feb 2026
Emirp Numbers (Long)
CaedenHarper
1,645
9ms
22 Feb 2026
Emirp Numbers (Long)
frankgraziano
💎
152
404ms
21 Feb 2026
Emirp Numbers (Long)
KatieLG
1,164
3ms
21 Feb 2026
Emirp Numbers (Long)
KatieLG
1,690
7ms
21 Feb 2026
Emirp Numbers (Long)
dokutan
147
1,213ms
21 Feb 2026
Emirp Numbers (Long)
Aquateraneal
134
295ms
20 Feb 2026
Emirp Numbers (Long)
Natanaelel
24
2,148ms
19 Feb 2026
Emirp Numbers (Long)
jshholland
26
2,333ms
19 Feb 2026
Emirp Numbers (Long)
tomh1012
132
686ms
19 Feb 2026
Emirp Numbers (Long)
netfri25
113
271ms
17 Feb 2026
Emirp Numbers (Long)
2bular
19
2,151ms
17 Feb 2026
Emirp Numbers (Long)
plcc0
21
51ms
14 Feb 2026
Emirp Numbers (Long)
rotemkm
114
266ms
14 Feb 2026
Emirp Numbers (Long)
Yewzir
129
46ms
11 Feb 2026
Emirp Numbers (Long)
JOrE20
227
211ms
11 Feb 2026
Emirp Numbers (Long)
Steffan153
138
513ms
11 Feb 2026
Emirp Numbers (Long)
FoxInTheClouds
113
3,633ms
10 Feb 2026
Emirp Numbers (Long)
retrohun
1,403
1ms
9 Feb 2026
Emirp Numbers (Long)
dokutan
115
412ms
8 Feb 2026
Emirp Numbers (Long)
Shanethegamer
1,163
3ms
7 Feb 2026
Emirp Numbers (Long)
Shanethegamer
1,168
1ms
7 Feb 2026
Emirp Numbers (Long)
Shanethegamer
54
42ms
7 Feb 2026
Emirp Numbers (Long)
lelbal
90
74ms
6 Feb 2026
Emirp Numbers (Long)
HumanoidCPU
1,168
1ms
6 Feb 2026
Emirp Numbers (Long)
JOrE20
119
280ms
5 Feb 2026
Emirp Numbers (Long)
Yax42
87
84ms
26 Jan 2026