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
Mahjong
Seek64
325
178ms
59 mins ago
Mahjong
StefanHabel
352
24ms
14 hours ago
Mahjong
KatieLG
165
147ms
47 hours ago
Mahjong
Steffan153
135
83ms
2 days ago
Mahjong
Steffan153
130
462ms
2 days ago
Mahjong
JOrE20
290
483ms
3 days ago
Mahjong
MeWhenI
🦄
278
124ms
4 days ago
Mahjong
KatieLG
🥈
980
100ms
5 days ago
Mahjong
Lv0Sys
338
11ms
5 days ago
Mahjong
Lv0Sys
277
10ms
6 days ago
Mahjong
bitsandbeyond
💎
120
3,981ms
7 days ago
Mahjong
AstroOrbis
393
34ms
7 days ago
Mahjong
plcc0
143
42ms
8 days ago
Mahjong
KatieLG
345
86ms
8 days ago
Mahjong
aksyristos
776
102ms
9 days ago
Mahjong
edsrzf
💎
305
79ms
11 days ago
Mahjong
snoozingnewt
176
2,291ms
13 days ago
Mahjong
snoozingnewt
177
2,209ms
13 days ago
Mahjong
Flekay
177
1,848ms
14 days ago
Mahjong
dokutan
195
2,443ms
15 days ago
Mahjong
blaztoma
🥈
270
106ms
17 days ago
Mahjong
sean-niemann
💎
156
82ms
20 days ago
Mahjong
dokutan
204
1,841ms
21 days ago
Mahjong
JOrE20
409
18ms
22 days ago
Mahjong
edsrzf
🥉
360
183ms
23 Jan 2026
Mahjong
scpchicken
3,981
64ms
15 Jan 2026
Mahjong
scpchicken
2,780
170ms
13 Jan 2026
Mahjong
scpchicken
3,526
3ms
6 Jan 2026
Mahjong
TheZwierzLF
441
2,532ms
6 Jan 2026
Mahjong
tomh1012
882
1,079ms
5 Jan 2026
Mahjong
snoozingnewt
💎
269
115ms
27 Dec 2025
Mahjong
dokutan
🥈
446
23ms
27 Dec 2025
Mahjong
pardouin
🥈
128
1,951ms
27 Dec 2025
Mahjong
bricknellj
235
22ms
26 Dec 2025
Mahjong
Yax42
416
473ms
25 Dec 2025
Mahjong
TheZwierzLF
458
822ms
23 Dec 2025
Mahjong
alexsave
535
18ms
15 Dec 2025
Mahjong
MeWhenI
424
67ms
12 Dec 2025
Mahjong
MeWhenI
406
3ms
12 Dec 2025
Mahjong
bitsandbeyond
786
2ms
5 Dec 2025
Mahjong
sean-niemann
144
635ms
5 Dec 2025
Mahjong
JOrE20
290
14ms
3 Dec 2025
Mahjong
anter69
314
49ms
2 Dec 2025
Mahjong
blaztoma
🥉
341
6ms
2 Dec 2025
Mahjong
h3ra993huskp
602
697ms
30 Nov 2025
Mahjong
FortuiteMan
431
18ms
29 Nov 2025
Mahjong
AidanWalter
🥉
1,860
35ms
26 Nov 2025
Mahjong
AidanWalter
2,030
178ms
26 Nov 2025
Mahjong
AidanWalter
3,175
2ms
26 Nov 2025
Mahjong
iczelia
1,086
12ms
23 Nov 2025
Mahjong
snoozingnewt
🥈
297
97ms
21 Nov 2025
Mahjong
snoozingnewt
🥈
377
177ms
20 Nov 2025
Mahjong
blaztoma
1,960
185ms
18 Nov 2025
Mahjong
blaztoma
984
2ms
18 Nov 2025
Mahjong
KasperKivimaeki
💎
243
440ms
18 Nov 2025
Mahjong
Yewzir
🥉
934
176ms
18 Nov 2025
Mahjong
Yewzir
851
2ms
18 Nov 2025
Mahjong
CaedenHarper
🥈
756
252ms
18 Nov 2025
Mahjong
CaedenHarper
1,313
14ms
17 Nov 2025
Mahjong
blaztoma
331
75ms
13 Nov 2025
Mahjong
qpwoeirut
386
142ms
9 Nov 2025
Mahjong
MeWhenI
💎
420
1,800ms
7 Nov 2025
Mahjong
MeWhenI
🥈
313
533ms
7 Nov 2025
Mahjong
KasperKivimaeki
🥈
321
289ms
7 Nov 2025
Mahjong
CaedenHarper
528
25ms
6 Nov 2025
Mahjong
ryyyn
259
90ms
5 Nov 2025
Mahjong
ovs-code
🥈
213
2ms
5 Nov 2025
Mahjong
CaedenHarper
889
320ms
4 Nov 2025
Mahjong
CornerMercury
153
21ms
2 Nov 2025
Mahjong
albanian-laundromat
🥉
161
2,426ms
26 Oct 2025
Mahjong
edsrzf
🥈
299
200ms
25 Oct 2025
Mahjong
albanian-laundromat
🥈
592
1,909ms
22 Oct 2025
Mahjong
CaedenHarper
951
556ms
21 Oct 2025
Mahjong
aiwana
218
93ms
21 Oct 2025
Mahjong
edsrzf
💎
295
322ms
20 Oct 2025
Mahjong
edsrzf
🥈
194
1,428ms
19 Oct 2025
Mahjong
edsrzf
💎
314
20ms
19 Oct 2025
Mahjong
edsrzf
💎
275
177ms
19 Oct 2025
Mahjong
stefangimmillaro
1,335
774ms
19 Oct 2025
Mahjong
CaedenHarper
998
693ms
18 Oct 2025