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brainfuck
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Dart
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APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
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Odin
Picat
Qore
Racket
Rebol
Rexx
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Stax
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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
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Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
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Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
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Gray Code Encoder
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Happy Numbers (Long)
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Intersection
Inventory Sequence
ISBN
Jacobi Symbol
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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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
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Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
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Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Van Eck Sequence
jusaka
3,558
2ms
34 hours ago
Vampire Numbers
jusaka
1,229
2ms
34 hours ago
Trinomial Triangle
jusaka
2,090
2ms
34 hours ago
Taxicab Numbers
jusaka
4,648
2ms
34 hours ago
Smith Numbers
jusaka
2,203
2ms
34 hours ago
Rijndael S-box
jusaka
787
2ms
34 hours ago
Recamán
jusaka
1,150
2ms
34 hours ago
Prime Numbers (Long)
jusaka
7,180
2ms
34 hours ago
Polygon Triangulations
jusaka
4,511
2ms
34 hours ago
Pascal’s Triangle
jusaka
792
2ms
34 hours ago
Odious Numbers (Long)
jusaka
2,448
2ms
34 hours ago
Partition Numbers
jusaka
750
2ms
34 hours ago
N Queens
jusaka
1,397
2ms
34 hours ago
Lucky Numbers
jusaka
5,823
8ms
34 hours ago
Look and Say
jusaka
1,302
2ms
34 hours ago
Leyland Numbers
jusaka
996
2ms
34 hours ago
Leap Years
jusaka
879
4ms
34 hours ago
Kaprekar Numbers
jusaka
511
2ms
34 hours ago
Inventory Sequence
jusaka
3,626
2ms
34 hours ago
Highly Composite Numbers
jusaka
456
2ms
34 hours ago
Happy Numbers (Long)
jusaka
698
2ms
34 hours ago
Gijswijt’s Sequence
jusaka
3,003
2ms
34 hours ago
Fizz Buzz
jusaka
516
2ms
34 hours ago
Farey Sequence
jusaka
5,132
2ms
34 hours ago
Evil Numbers (Long)
jusaka
2,454
2ms
34 hours ago
Emirp Numbers (Long)
jusaka
1,399
3ms
34 hours ago
Divisors
jusaka
1,269
2ms
34 hours ago
12 Days of Christmas
jusaka
2,485
2ms
34 hours ago
Collatz
jusaka
4,229
2ms
34 hours ago
Abundant Numbers (Long)
jusaka
1,213
4ms
34 hours ago
Catalan Numbers
jusaka
2,975
2ms
34 hours ago
Alphabetic Numbers
jusaka
4,899
2ms
34 hours ago
Ascending Primes
jusaka
615
2ms
34 hours ago
𝑒
jusaka
1,007
2ms
35 hours ago
φ
jusaka
1,007
2ms
35 hours ago
π
jusaka
1,007
2ms
35 hours ago
τ
jusaka
1,007
1ms
35 hours ago
λ
jusaka
1,007
2ms
35 hours ago
γ
jusaka
1,007
3ms
35 hours ago
√2
jusaka
1,007
2ms
35 hours ago
Apéry’s Constant
jusaka
1,007
2ms
35 hours ago
ln 2
jusaka
1,007
2ms
35 hours ago
Kolakoski Sequence
jusaka
2,004
1ms
35 hours ago
Kolakoski Constant
jusaka
1,007
2ms
35 hours ago
Catalan’s Constant
jusaka
1,007
2ms
35 hours ago
Prime Numbers
jusaka
99
2ms
35 hours ago
Pernicious Numbers
jusaka
138
3ms
35 hours ago
Odious Numbers
jusaka
102
2ms
35 hours ago
Niven Numbers
jusaka
127
2ms
35 hours ago
Happy Numbers
jusaka
142
2ms
35 hours ago
Fibonacci
jusaka
168
2ms
35 hours ago
Evil Numbers
jusaka
98
2ms
35 hours ago
Emirp Numbers
jusaka
175
4ms
35 hours ago
Abundant Numbers
jusaka
212
3ms
35 hours ago
ROT13
snoozingnewt
108
4ms
6 days ago
Look and Say
madeforlosers
1,338
2ms
7 days ago
Calendar
DayDun
🦄
6,961
266ms
8 days ago
Polyominoes
retrohun
3,570
2ms
9 days ago
Look and Say
Carlos-EAC
1,298
2ms
10 days ago
Gray Code Decoder
MeWhenI
🦄
286
211ms
16 days ago
ROT13
Steffan153
🥇
84
173ms
17 days ago
Transpose Sentence
retrohun
🥉
41
6ms
20 days ago
Ordinal Numbers
edsrzf
48
4ms
21 days ago
Look and Say
madex
104
3ms
27 days ago
Smith Numbers
retrohun
1,489
2ms
8 Mar 2026
Tower of Hanoi
kritixilithos
🥉
51
536ms
8 Mar 2026
Alphabetic Numbers
HumanoidCPU
4,895
1ms
6 Mar 2026
Tongue-twisters
prestosilver
536
1ms
4 Mar 2026
ASCII Table
prestosilver
291
1ms
4 Mar 2026
Tic-tac-toe
Steffan153
50
32ms
27 Feb 2026
Fizz Buzz
JOrE20
245
4ms
25 Feb 2026
Sudoku
canissimia
💎
257
1,548ms
23 Feb 2026
Sudoku (Fill-in)
canissimia
💎
147
1,317ms
23 Feb 2026
Look and Say
msbranicky
1,349
1ms
21 Feb 2026
ln 2
JOrE20
1,003
1ms
19 Feb 2026
Van Eck Sequence
JOrE20
3,554
2ms
18 Feb 2026
Tutorial
Ultra814
330
2ms
18 Feb 2026
Ascending Primes
JOrE20
611
1ms
16 Feb 2026
Look and Say
CornerMercury
89
17ms
11 Feb 2026
Look and Say
retrohun
🥈
55
3ms
8 Feb 2026