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
Emirp Numbers (Long)
kg583
💎
99
518ms
2 days ago
Emirp Numbers (Long)
Steffan153
64
403ms
2 days ago
Emirp Numbers (Long)
Lv0Sys
100
185ms
3 days ago
Emirp Numbers (Long)
Lv0Sys
96
1,047ms
3 days ago
Emirp Numbers (Long)
emgordon154
37
3ms
4 days ago
Emirp Numbers (Long)
dokutan
🥈
450
8ms
5 days ago
Emirp Numbers (Long)
JOrE20
80
194ms
6 days ago
Emirp Numbers (Long)
JOrE20
🥉
622
9ms
6 days ago
Emirp Numbers (Long)
CaedenHarper
1,645
10ms
7 days ago
Emirp Numbers (Long)
frankgraziano
💎
152
463ms
7 days ago
Emirp Numbers (Long)
KatieLG
1,164
2ms
7 days ago
Emirp Numbers (Long)
KatieLG
1,690
7ms
7 days ago
Emirp Numbers (Long)
dokutan
117
931ms
8 days ago
Emirp Numbers (Long)
Aquateraneal
134
295ms
9 days ago
Emirp Numbers (Long)
Natanaelel
24
2,365ms
9 days ago
Emirp Numbers (Long)
jshholland
13
1,683ms
10 days ago
Emirp Numbers (Long)
tomh1012
132
686ms
10 days ago
Emirp Numbers (Long)
netfri25
113
271ms
12 days ago
Emirp Numbers (Long)
snoozingnewt
78
602ms
12 days ago
Emirp Numbers (Long)
snoozingnewt
78
209ms
12 days ago
Emirp Numbers (Long)
2bular
19
2,440ms
12 days ago
Emirp Numbers (Long)
Flekay
78
205ms
13 days ago
Emirp Numbers (Long)
plcc0
21
72ms
14 days ago
Emirp Numbers (Long)
dokutan
78
689ms
14 days ago
Emirp Numbers (Long)
rotemkm
114
266ms
14 days ago
Emirp Numbers (Long)
Yewzir
129
46ms
17 days ago
Emirp Numbers (Long)
JOrE20
227
211ms
18 days ago
Emirp Numbers (Long)
Steffan153
138
513ms
18 days ago
Emirp Numbers (Long)
FoxInTheClouds
113
3,633ms
18 days ago
Emirp Numbers (Long)
retrohun
1,403
1ms
20 days ago
Emirp Numbers (Long)
dokutan
87
379ms
20 days ago
Emirp Numbers (Long)
Shanethegamer
1,163
2ms
21 days ago
Emirp Numbers (Long)
Shanethegamer
1,168
1ms
21 days ago
Emirp Numbers (Long)
lelbal
90
74ms
23 days ago
Emirp Numbers (Long)
HumanoidCPU
1,168
1ms
23 days ago
Emirp Numbers (Long)
JOrE20
103
288ms
23 days ago
Emirp Numbers (Long)
Yax42
87
83ms
26 Jan 2026
Emirp Numbers (Long)
dokutan
285
73ms
23 Jan 2026
Emirp Numbers (Long)
retrohun
1,577
1,678ms
23 Jan 2026
Emirp Numbers (Long)
sean-niemann
🥉
78
2,834ms
21 Jan 2026
Emirp Numbers (Long)
amazingalek
148
408ms
21 Jan 2026
Emirp Numbers (Long)
retrohun
134
345ms
20 Jan 2026
Emirp Numbers (Long)
anter69
74
207ms
19 Jan 2026
Emirp Numbers (Long)
JayXon
🥈
70
1,323ms
18 Jan 2026
Emirp Numbers (Long)
JayXon
💎
98
128ms
17 Jan 2026
Emirp Numbers (Long)
JayXon
💎
188
1,710ms
17 Jan 2026
Emirp Numbers (Long)
DialFrost
🥈
190
1,570ms
17 Jan 2026
Emirp Numbers (Long)
dokutan
955
129ms
16 Jan 2026
Emirp Numbers (Long)
dokutan
139
1,285ms
11 Jan 2026
Emirp Numbers (Long)
plcc0
78
205ms
10 Jan 2026
Emirp Numbers (Long)
mwarvik
154
389ms
10 Jan 2026
Emirp Numbers (Long)
Florian-Mt
212
544ms
10 Jan 2026
Emirp Numbers (Long)
Yax42
109
109ms
9 Jan 2026
Emirp Numbers (Long)
emgordon154
🥉
206
1,984ms
9 Jan 2026
Emirp Numbers (Long)
77Tigers
125
172ms
9 Jan 2026
Emirp Numbers (Long)
KatieLG-Transpiler
1,398
3ms
9 Jan 2026
Emirp Numbers (Long)
KatieLG-Transpiler
1,403
9ms
9 Jan 2026
Emirp Numbers (Long)
KatieLG-Transpiler
1,401
2ms
9 Jan 2026
Emirp Numbers (Long)
dokutan
743
11ms
5 Jan 2026
Emirp Numbers (Long)
GolfingSuccess
161
49ms
5 Jan 2026
Emirp Numbers (Long)
nemoyatpeace
116
1,867ms
3 Jan 2026
Emirp Numbers (Long)
DialFrost
119
38ms
2 Jan 2026
Emirp Numbers (Long)
KatieLG
🥈
261
2,832ms
2 Jan 2026
Emirp Numbers (Long)
kg583
161
44ms
1 Jan 2026
Emirp Numbers (Long)
error256
💎
70
61ms
1 Jan 2026
Emirp Numbers (Long)
HumanoidCPU
1,164
3ms
1 Jan 2026
Emirp Numbers (Long)
solisolu
106
350ms
30 Dec 2025
Emirp Numbers (Long)
MeWhenI
134
40ms
30 Dec 2025
Emirp Numbers (Long)
DialFrost
🥇
127
41ms
30 Dec 2025
Emirp Numbers (Long)
DialFrost
🥈
109
476ms
29 Dec 2025
Emirp Numbers (Long)
DialFrost
💎
73
1,826ms
29 Dec 2025
Emirp Numbers (Long)
edsrzf
💎
133
74ms
29 Dec 2025
Emirp Numbers (Long)
edsrzf
90
53ms
29 Dec 2025
Emirp Numbers (Long)
edsrzf
🥈
146
1,056ms
29 Dec 2025
Emirp Numbers (Long)
edsrzf
🥈
77
1,210ms
29 Dec 2025
Emirp Numbers (Long)
edsrzf
112
48ms
28 Dec 2025
Emirp Numbers (Long)
HumanoidCPU
619
793ms
27 Dec 2025
Emirp Numbers (Long)
michelebastione
154
532ms
26 Dec 2025
Emirp Numbers (Long)
dokutan
384
3ms
26 Dec 2025
Emirp Numbers (Long)
JOrE20
1,155
191ms
26 Dec 2025