The
Nim
hole will go live in approximately
11 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
Bytes
Time
Submitted
ISBN
Andrey2001
230
2ms
23 hours ago
ISBN
kasarino
169
2ms
3 days ago
ISBN
solisolu
112
2ms
22 days ago
ISBN
akaritakai
139
3ms
29 May 2026
ISBN
retrohun
115
2ms
16 May 2026
ISBN
Herbert00709
155
2ms
1 May 2026
ISBN
Jacob385
582
2ms
4 Mar 2026
ISBN
FoxInTheClouds
142
3ms
20 Feb 2026
ISBN
matricronia
128
2ms
2 Feb 2026
ISBN
rhdqor213
💎
98
2ms
6 Jan 2026
ISBN
prestosilver
117
3ms
16 Dec 2025
ISBN
vhoulbreque
169
4ms
26 Nov 2025
ISBN
tomh1012
155
2ms
21 Nov 2025
ISBN
dokutan
130
2ms
8 Nov 2025
ISBN
Sascha37
206
2ms
8 Oct 2025
ISBN
iczelia
123
3ms
24 Sep 2025
ISBN
AZTECCO
114
2ms
16 Sep 2025
ISBN
gastropner
149
2ms
8 Jul 2025
ISBN
Schmitt-Very-Cool
236
2ms
25 May 2025
ISBN
heanyang1
140
2ms
21 May 2025
ISBN
HumanoidCPU
136
3ms
4 Mar 2025
ISBN
kevinnaviapaiva
347
2ms
24 Feb 2025
ISBN
DialFrost
111
2ms
20 Dec 2024
ISBN
Mandrzejy
114
2ms
13 Sep 2024
ISBN
jbjd
154
2ms
12 Sep 2024
ISBN
inventshah
106
2ms
7 Aug 2024
ISBN
sjrct
144
2ms
4 Aug 2024
ISBN
KasperKivimaeki
🥈
100
2ms
19 Jul 2024
ISBN
LHLaurini
119
2ms
17 Jul 2024
ISBN
rifatx
145
2ms
14 Jul 2024
ISBN
akamayu-ouo
142
3ms
8 Jul 2024
ISBN
JohandeRuiter
102
2ms
7 Jul 2024
ISBN
MeWhenI
116
2ms
5 Jul 2024
ISBN
bac0id
126
2ms
3 Jul 2024
ISBN
abc7-12
121
2ms
26 Jun 2024
ISBN
rambox11
183
2ms
11 Jun 2024
ISBN
mrmena
279
3ms
14 Mar 2024
ISBN
ovs-code
105
2ms
17 Feb 2024
ISBN
mathisfun271
115
2ms
5 Feb 2024
ISBN
sean-niemann
118
2ms
3 Feb 2024
ISBN
xsot
109
2ms
1 Feb 2024
ISBN
epic-programmer-guy
215
2ms
31 Dec 2023
ISBN
drabart
113
2ms
18 Dec 2023
ISBN
1231234md5
173
2ms
11 Dec 2023
ISBN
Szum123321
111
2ms
9 Dec 2023
ISBN
Yewzir
113
2ms
29 Nov 2023
ISBN
klixel
133
2ms
27 Nov 2023
ISBN
MateuszPietrzak
225
3ms
22 Nov 2023
ISBN
FragmentedCurve
115
2ms
22 Nov 2023
ISBN
snoozingnewt
185
2ms
14 Nov 2023
ISBN
ZakkkkAttackkkk
111
2ms
9 Nov 2023
ISBN
Msleizak
776
3ms
9 Nov 2023
ISBN
Sephirem98
190
2ms
2 Nov 2023
ISBN
speles
110
2ms
29 Oct 2023
ISBN
kallmi28
145
2ms
13 Oct 2023
ISBN
zt14427
269
3ms
6 Oct 2023
ISBN
violeta-desantis
137
2ms
27 Sep 2023
ISBN
msbranicky
150
2ms
20 Aug 2023
ISBN
Alex-x90
108
2ms
8 Aug 2023
ISBN
Andriamanitra
153
2ms
14 Jul 2023
ISBN
daschr
159
2ms
26 Jun 2023
ISBN
janbehrens
130
2ms
23 Jun 2023
ISBN
nwellnhof
🥉
101
3ms
23 Jun 2023
ISBN
aksyristos
538
3ms
11 Jun 2023
ISBN
JayXon
🥉
101
2ms
21 May 2023
ISBN
second-pumpkin
150
2ms
15 Mar 2023
ISBN
Natanaelel
286
2ms
7 Feb 2023
ISBN
biocommando
145
2ms
26 Dec 2022
ISBN
MaxElf999
148
2ms
19 Dec 2022
ISBN
DrPiranoid
143
3ms
21 Oct 2022
ISBN
jgbaldwinbrown
133
2ms
13 Oct 2022
ISBN
djeedjay
124
2ms
16 Sep 2022
ISBN
jupj
125
2ms
31 Aug 2022
ISBN
ColeBardin
185
2ms
21 Jul 2022
ISBN
Irratix
110
2ms
14 May 2022
ISBN
Shanethegamer
112
2ms
20 Apr 2022
ISBN
Anonymousellama21
141
2ms
14 Apr 2022
ISBN
madex
115
3ms
10 Apr 2022
ISBN
jared-hughes
128
2ms
17 Mar 2022
ISBN
c0d3-4-F00d
122
2ms
21 Feb 2022
ISBN
Re-Adventures
143
2ms
7 Feb 2022
ISBN
prplz
109
2ms
18 Jan 2022
ISBN
m-tkach
117
2ms
11 Jan 2022