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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
Card Number Validation
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
Kaprekar Numbers
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
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
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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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
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γ
λ
π
τ
φ
√2
𝑒
Hole
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Bytes
Submitted
Niven Numbers
orthoplex
35
20 Jul 2024
Niven Numbers
HumanoidCPU
100
3 Jul 2024
Niven Numbers
Yewzir
39
26 Dec 2023
Niven Numbers
HPWiz
🥇
27
13 Dec 2023
Niven Numbers
stackofbears
🥇
27
13 Dec 2023
Niven Numbers
Natanaelel
31
29 Nov 2023
Niven Numbers
jonahx
29
12 Sep 2023
Niven Numbers
greenstuartj
38
1 Aug 2023
Niven Numbers
MeWhenI
54
7 May 2023
Niven Numbers
Bubbler-4
🥉
28
19 Apr 2023
Niven Numbers
ashtraypettingzoo
42
16 Feb 2023
Niven Numbers
rak1507
29
27 Jan 2023
Niven Numbers
4hg
29
27 Jan 2023
Niven Numbers
DialFrost
36
27 Jan 2023
Niven Numbers
destofr
288
13 Oct 2022
Niven Numbers
nwellnhof
29
8 Aug 2022
Niven Numbers
saltysylvi
31
5 Aug 2022
Niven Numbers
KatieLG-Transpiler
586
24 Jun 2022
Niven Numbers
ovs-code
🥉
28
23 Apr 2022
Niven Numbers
j-Ewan
37
16 Feb 2022
Niven Numbers
jhfranklin
39
8 Feb 2022
Niven Numbers
LeeCamp
40
10 Jan 2022
Niven Numbers
jared-hughes
35
5 Dec 2021
Niven Numbers
mokymok
256
10 Nov 2021
Niven Numbers
kurkale6ka
34
25 Aug 2021
Niven Numbers
Shanethegamer
38
18 May 2021
Niven Numbers
KatieLG
100
18 May 2021
Niven Numbers
lynn
34
12 Apr 2021
Niven Numbers
GrayJoKing
29
14 Oct 2020
Niven Numbers
HumanEquivalentUnit
39
12 Oct 2020
Niven Numbers
primo-ppcg
29
7 Oct 2020
Niven Numbers
Frowny
29
5 Oct 2020
Niven Numbers
SirBogman
29
11 Jul 2020
Niven Numbers
RustemB
48
24 May 2020
Niven Numbers
prplz
36
21 May 2020
Niven Numbers
yzhs
36
21 Jan 2020
Niven Numbers
ConorOBrien-Foxx
36
2 Mar 2019
Niven Numbers
mattbork
39
16 Jan 2019
Niven Numbers
retrohun
255
21 Dec 2018
Niven Numbers
nlc
47
8 Oct 2018
Niven Numbers
jslip
36
24 Sep 2018