The
Nim
hole will go live in approximately
7 hours
. Why not try and solve it ahead of time?
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)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Connect Four
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)
Taxicab Numbers
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
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
iogii
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
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
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
iogii
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
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Connect Four
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)
Taxicab Numbers
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
Hole
Golfer
Chars
Time
Submitted
φ
JOrE20
🥇
31
63ms
13 days ago
φ
HumanoidCPU
528
3ms
6 May 2026
φ
dokutan
331
28ms
28 Apr 2026
φ
scpchicken
🥇
31
56ms
27 Apr 2026
φ
KatieLG
989
4ms
30 Nov 2025
φ
blaztoma
🥇
31
58ms
30 Oct 2025
φ
iczelia
35
64ms
14 Oct 2025
φ
snoozingnewt
🥇
31
61ms
15 Sep 2025
φ
CaedenHarper
33
56ms
10 Aug 2025
φ
emgordon154
🥇
31
61ms
26 Nov 2024
φ
FortuiteMan
🥇
31
58ms
29 Sep 2024
φ
fuzzylojik-golf
🥇
31
69ms
20 Sep 2024
φ
Mabeloid
1,007
3ms
16 Sep 2024
φ
pardouin
🥇
31
56ms
24 Jul 2024
φ
MeWhenI
39
50ms
13 Jul 2024
φ
bac0id
1,007
3ms
26 Jun 2024
φ
Yewzir
94
4,913ms
10 Apr 2024
φ
msbranicky
581
4ms
5 Jan 2024
φ
madeforlosers
1,007
4ms
14 Dec 2023
φ
Natanaelel
33
56ms
4 Aug 2023
φ
JRaspass
🥇
31
56ms
1 Aug 2023
φ
janbehrens
548
4ms
17 Jun 2023
φ
o0lit3
🥇
31
57ms
7 Jun 2023
φ
andersk
33
70ms
4 Mar 2023
φ
neel11235813
🥇
31
65ms
27 Feb 2023
φ
GrayJoKing
🥇
31
63ms
16 Feb 2023
φ
Steffan153
🥇
31
75ms
21 Jan 2023
φ
DialFrost
🥇
31
58ms
18 Jan 2023
φ
KatieLG-Transpiler
1,009
3ms
2 Jan 2023
φ
DaCuteRaccoon
34
57ms
2 Dec 2022
φ
SirBogman
🥇
31
66ms
30 Sep 2022
φ
ovs-code
🥇
31
56ms
20 Sep 2022
φ
Shanethegamer
130
260ms
1 Jul 2022
φ
saito-ta
🥇
31
59ms
17 Jun 2022
φ
iakolzin
🥇
31
60ms
3 Jun 2022
φ
nwellnhof
🥇
31
58ms
2 Jun 2022
φ
sean-niemann
🥇
31
57ms
24 May 2022
φ
primo-ppcg
🥇
31
79ms
24 May 2022
φ
lynn
🥇
31
55ms
23 May 2022
φ
JayXon
🥇
31
57ms
22 May 2022
φ
sisyphus-ppcg
🥇
31
83ms
22 May 2022
φ
Lydxn
🥇
31
60ms
22 May 2022
φ
voytxt
1,007
3ms
3 Mar 2022
φ
mokymok
1,007
4ms
8 Nov 2021
φ
theunofficialcoder
1,007
3ms
19 Aug 2021
φ
RYNO8
1,009
3ms
7 Aug 2021
φ
kurkale6ka
1,007
4ms
27 Jul 2021
φ
mothcolada
1,009
4ms
5 Dec 2020
φ
Waffle3z
1,007
4ms
25 Sep 2020
φ
Chesium
1,007
4ms
6 Aug 2020
φ
GeorgePerreault
1,010
4ms
15 Dec 2019
φ
ElevatorShaft
1,009
6ms
18 Jun 2019
φ
retrohun
1,007
3ms
21 Dec 2018
φ
Mojken
1,007
4ms
3 Sep 2018
φ
rambox11
181
601ms
8 Apr 2018
φ
tfk333
1,011
3ms
23 Feb 2018
φ
labster
1,000
4ms
23 Feb 2018
φ
nephila-nacrea
1,007
3ms
17 Jan 2018
φ
kittrz9
1,010
5ms
7 Dec 2017