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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
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
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
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Chars
Submitted
Roman to Arabic
ovs-code
🥉
46
6 Feb 2024
Roman to Arabic
DialFrost
52
1 Feb 2023
Roman to Arabic
4hg
72
28 Jan 2023
Roman to Arabic
SirBogman
51
1 Sep 2022
Roman to Arabic
yzhs
75
7 Jun 2022
Roman to Arabic
KatieLG
77,117
22 May 2022
Roman to Arabic
MeWhenI
840
18 Apr 2022
Roman to Arabic
jared-hughes
64
17 Apr 2022
Roman to Arabic
Bubbler-4
52
9 Dec 2021
Roman to Arabic
Natanaelel
71
16 Nov 2021
Roman to Arabic
lynn
62
24 Oct 2021
Roman to Arabic
HPWiz
48
4 Oct 2021
Roman to Arabic
GrayJoKing
61
23 Oct 2020
Roman to Arabic
orthoplex
68
9 Oct 2020
Roman to Arabic
nwellnhof
🥈
37
16 Sep 2020
Roman to Arabic
primo-ppcg
💎
35
13 Aug 2020
