The
Nim
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. Why not try and solve it ahead of time?
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brainfuck
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Game of Life
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ln 2
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Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
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Pernicious Numbers (Long)
Poker
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Prime Numbers
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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
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Smith Numbers
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Star Wars GPT
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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)
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Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
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Huffman Encoder
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Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
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ALGOL 68
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AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
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Coconut
Common Lisp
Crystal
D
Dart
Elixir
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F#
Factor
Forth
Fortran
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Go
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iogii
J
Janet
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JavaScript
jq
Julia
K
Kotlin
Lua
Nim
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PowerShell
Prolog
Python
R
Raku
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Rust
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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
Tutorial
keeki-fami
102
83ms
20 hours ago
γ
retrohun
1,011
76ms
3 days ago
Fibonacci
albanian-laundromat
47
91ms
3 days ago
Nim
albanian-laundromat
145
145ms
4 days ago
Day of Week
DialFrost
🥉
138
716ms
5 days ago
Niven Numbers
scpchicken
🥇
45
85ms
7 days ago
Tongue-twisters
Mukundan314
💎
302
152ms
8 days ago
12 Days of Christmas
GiaKhanh16
2,479
82ms
10 days ago
Fibonacci
Matter1024
🥉
46
102ms
10 days ago
Vampire Numbers
scpchicken
166
790ms
11 days ago
Kaprekar Numbers
scpchicken
🥈
77
1,714ms
11 days ago
Divisors
RealBen9
72
103ms
16 days ago
Lucky Numbers
HumanoidCPU
154
253ms
16 days ago
Rijndael S-box
scpchicken
💎
215
144ms
17 days ago
Fibonacci
RealBen9
54
83ms
21 days ago
99 Bottles of Beer
RealBen9
327
125ms
23 days ago
Intersection
Arkadios200
280
132ms
23 days ago
Van Eck Sequence
Arkadios200
88
94ms
23 days ago
Sierpiński Triangle
Arkadios200
199
104ms
23 days ago
Seven Segment
Arkadios200
245
115ms
23 days ago
Star Wars Opening Crawl
scpchicken
🥉
402
158ms
25 days ago
99 Bottles of Beer
leap0x7b
339
249ms
25 days ago
Abundant Numbers
Steffan153
🥇
56
87ms
26 days ago
ln 2
retrohun
1,011
71ms
26 days ago
γ
Haksell
1,011
71ms
26 days ago
Arrows
denkyuu1
480
113ms
27 days ago
Continued Fractions
albanian-laundromat
🥈
171
123ms
28 May 2026
Star Wars Opening Crawl
snoozingnewt
🥇
356
418ms
27 May 2026
Topological Sort
albanian-laundromat
💎
175
1,197ms
27 May 2026
Star Wars Opening Crawl
albanian-laundromat
🥇
356
150ms
27 May 2026
φ
snoozingnewt
183
219ms
26 May 2026
QR Decoder
snoozingnewt
297
117ms
26 May 2026
Jacobi Symbol
snoozingnewt
186
118ms
26 May 2026
DFA Simulator
snoozingnewt
💎
204
127ms
26 May 2026
United States
Arkadios200
965
100ms
23 May 2026
Polyominoes
msbranicky
1,415
130ms
22 May 2026
Polyominoes
roelderickx
3,578
69ms
22 May 2026
Polyominoes
ndren
14,968
2,030ms
21 May 2026
Alphabetic Numbers
CaedenHarper
3,909
70ms
21 May 2026
Polyominoes
raphaelimahorn
3,578
69ms
21 May 2026
Hilbert Curve
snoozingnewt
💎
304
137ms
21 May 2026
Fractions
snoozingnewt
137
119ms
21 May 2026
Leyland Numbers
snoozingnewt
130
1,020ms
20 May 2026
ln 2
snoozingnewt
194
136ms
20 May 2026
Pangram Grep
CaedenHarper
112
82ms
20 May 2026
Leap Years
snoozingnewt
48
90ms
20 May 2026
Pangram Grep
denkyuu1
147
95ms
19 May 2026
Leap Years
denkyuu1
58
89ms
19 May 2026
Polyominoes
BREMAUCY
3,578
72ms
19 May 2026
Polyominoes
edsrzf
💎
218
178ms
19 May 2026
Prime Numbers
madex
55
93ms
18 May 2026
Polyominoes
madex
281
134ms
18 May 2026
Leap Years
Steffan153
🥇
38
218ms
18 May 2026
Polyominoes
CornerMercury
3,578
70ms
18 May 2026
Polyominoes
h3ra993huskp
3,578
73ms
18 May 2026
Polyominoes
Matter1024
3,578
68ms
18 May 2026
Polyominoes
CaedenHarper
🥉
268
806ms
18 May 2026
Ten-pin Bowling
blaztoma
💎
182
135ms
17 May 2026
Ten-pin Bowling
snoozingnewt
215
106ms
17 May 2026
Topological Sort
snoozingnewt
🥈
194
1,831ms
17 May 2026
Time Distance
snoozingnewt
277
126ms
17 May 2026
Sudoku (Fill-in)
blaztoma
💎
249
559ms
16 May 2026
Inventory Sequence
snoozingnewt
79
95ms
15 May 2026
ASCII Table
snoozingnewt
🥉
157
101ms
15 May 2026
Morse Decoder
snoozingnewt
256
100ms
15 May 2026
ROT13
snoozingnewt
🥈
111
103ms
15 May 2026
Foo Fizz Buzz Bar
snoozingnewt
113
93ms
15 May 2026
Levenshtein Distance
snoozingnewt
💎
191
119ms
15 May 2026
Kolakoski Sequence
snoozingnewt
86
261ms
15 May 2026
Billiards
snoozingnewt
231
125ms
15 May 2026
99 Bottles of Beer
snoozingnewt
279
94ms
15 May 2026
Zodiac Signs
kmathis22
353
713ms
15 May 2026
Poker
snoozingnewt
440
179ms
15 May 2026
Pangram Grep
snoozingnewt
🥇
85
90ms
15 May 2026
Scrambled Sort
snoozingnewt
🥈
167
124ms
15 May 2026
Transpose Sentence
snoozingnewt
133
143ms
15 May 2026
Tongue-twisters
prestosilver
537
72ms
15 May 2026
Day of Week
JayXon
💎
124
682ms
15 May 2026
Day of Week
snoozingnewt
🥈
131
669ms
15 May 2026
Set
snoozingnewt
213
157ms
15 May 2026
Roman to Arabic
snoozingnewt
120
141ms
15 May 2026
Reversi
snoozingnewt
🥈
190
223ms
15 May 2026
Catalan’s Constant
snoozingnewt
🥉
403
395ms
14 May 2026
Zodiac Signs
snoozingnewt
199
147ms
14 May 2026
Game of Life
snoozingnewt
183
108ms
14 May 2026
Smith Numbers
snoozingnewt
🥈
123
206ms
14 May 2026
Rijndael S-box
snoozingnewt
🥈
222
118ms
14 May 2026
brainfuck
snoozingnewt
291
148ms
14 May 2026
Forsyth–Edwards Notation
snoozingnewt
201
221ms
14 May 2026
Intersection
snoozingnewt
189
110ms
14 May 2026
Star Wars GPT
snoozingnewt
🥈
193
177ms
14 May 2026
Gijswijt’s Sequence
snoozingnewt
157
133ms
14 May 2026
Arrows
snoozingnewt
168
143ms
14 May 2026
Emirp Numbers (Long)
snoozingnewt
172
146ms
14 May 2026
Christmas Trees
snoozingnewt
98
95ms
14 May 2026
Trinomial Triangle
snoozingnewt
140
111ms
14 May 2026
United States
snoozingnewt
229
136ms
14 May 2026
Lucky Tickets
snoozingnewt
210
129ms
14 May 2026
24 Game
snoozingnewt
💎
399
809ms
14 May 2026
Reverse Polish Notation
snoozingnewt
188
130ms
14 May 2026