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ALGOL 68
Assembly
AWK
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BASIC
Berry
brainfuck
C
C#
C++
Civet
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COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
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Factor
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Janet
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sed
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V
VimL
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05AB1E
APL
ArkScript
Arturo
Befunge
BQN
CJam
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Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
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Stax
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Umka
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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
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
Alphabetic Numbers
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
Bytes
Time
Submitted
Look and Say
dokutan
470
286ms
12 Dec 2025
Look and Say
KatieLG
789
298ms
30 Nov 2025
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CaedenHarper
175
310ms
3 Nov 2025
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kkoenig
276
285ms
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177
290ms
2 Jul 2025
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edsrzf
157
297ms
12 Jun 2025
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0xjac
199
293ms
9 Jun 2025
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emgordon154
160
294ms
17 Jan 2025
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msbranicky
191
299ms
7 Jan 2025
Look and Say
Mabeloid
1,350
293ms
20 Sep 2024
Look and Say
HumanoidCPU
1,326
302ms
26 Aug 2024
Look and Say
jipsong
153
304ms
13 Jun 2024
Look and Say
hrubymar10
209
279ms
21 Feb 2024
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JayXon
🥈
133
303ms
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177
285ms
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183
285ms
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170
291ms
11 Oct 2023
Look and Say
ovs-code
🥉
140
291ms
23 Aug 2023
Look and Say
MeWhenI
184
291ms
9 Feb 2023
Look and Say
retrohun
1,350
285ms
28 Dec 2022
Look and Say
DialFrost
260
290ms
26 Nov 2022
Look and Say
JRaspass
203
325ms
23 Sep 2022
Look and Say
nwellnhof
💎
132
276ms
4 Jul 2022
Look and Say
KatieLG-Transpiler
1,328
294ms
24 Jun 2022
Look and Say
DaCuteRaccoon
278
306ms
23 Apr 2022
Look and Say
Shanethegamer
193
306ms
19 Apr 2022
Look and Say
j-Ewan
194
294ms
25 Mar 2022
Look and Say
mokymok
1,345
292ms
8 Nov 2021
Look and Say
janbehrens
203
287ms
4 Sep 2021
Look and Say
emplv
163
301ms
16 Dec 2020