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ALGOL 68
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Hy
iogii
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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
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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
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Bytes
Time
Submitted
Spelling Numbers
Steffan153
296
40ms
14 days ago
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TheZwierzLF
503
41ms
21 Dec 2025
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dokutan
818
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pardouin
296
39ms
27 Aug 2025
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tatzyr
340
37ms
22 Mar 2025
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MeWhenI
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264
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KatieLG
318
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29 Aug 2024
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ovs-code
288
39ms
9 Jul 2024
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Ralac07
772
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14 Jun 2024
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madex
545
39ms
12 Jun 2024
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Natanaelel
315
207ms
16 Feb 2024
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olleicua
319
38ms
21 Jan 2024
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SirBogman
341
36ms
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stefangimmillaro
342
58ms
4 Oct 2022
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jared-hughes
316
38ms
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347
37ms
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JayXon
🥉
278
43ms
21 Aug 2022
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janlelis
🥈
271
39ms
16 Aug 2022
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KatieLG-Transpiler
35,522
98ms
3 Jul 2022
Spelling Numbers
sisyphus-ppcg
290
38ms
3 Feb 2022
Spelling Numbers
Shanethegamer
293
41ms
17 Nov 2021
Spelling Numbers
primo-ppcg
290
36ms
11 Nov 2021
Spelling Numbers
olivermrose
351
43ms
26 Oct 2021
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jbbarth
293
39ms
12 Aug 2021
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Waffle3z
405
35ms
6 Jul 2021
Spelling Numbers
anter69
315
41ms
7 Jan 2021
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OddballGreg
449
41ms
26 Sep 2020
Spelling Numbers
proton
333
36ms
13 Jun 2020
Spelling Numbers
jaredcrystal
389
42ms
13 Dec 2018
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yokasuretsu
371
35ms
19 Apr 2018
Spelling Numbers
biinari
398
37ms
18 Mar 2018