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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
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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
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
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
Apéry’s Constant
Binary Lambda Calculus
Calendar
Connect Four
Continued Fractions
Crossword
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CSS Grid
Ellipse Perimeters
Flags
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Gray Code Decoder
Gray Code Encoder
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Highly Composite Numbers
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NFA Simulator
Numbrix
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p-adic Expansion
Polygon Triangulations
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Tutorial
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Time
Submitted
Niven Numbers
mwarvik
69
459ms
4 days ago
Niven Numbers
amazingalek
69
390ms
9 days ago
Niven Numbers
snoozingnewt
60
383ms
26 days ago
Niven Numbers
tomh1012
69
390ms
26 Nov 2025
Niven Numbers
od86
63
362ms
12 Nov 2025
Niven Numbers
CaedenHarper
60
354ms
17 Oct 2025
Niven Numbers
codewrite
71
340ms
9 Oct 2025
Niven Numbers
albanian-laundromat
60
365ms
24 Sep 2025
Niven Numbers
michelebastione
69
378ms
27 Aug 2025
Niven Numbers
edsrzf
60
322ms
26 Jul 2025
Niven Numbers
Mikey-Beep
69
407ms
23 Jul 2025
Niven Numbers
qwertyuiop3
61
343ms
4 Jun 2025
Niven Numbers
fuzzylojik-golf
60
336ms
15 May 2025
Niven Numbers
Re-Adventures
86
370ms
15 Apr 2025
Niven Numbers
kevinnaviapaiva
162
339ms
26 Feb 2025
Niven Numbers
Yax42
🥇
58
379ms
9 Feb 2025
Niven Numbers
b-illy
60
318ms
21 Jan 2025
Niven Numbers
voytxt
60
369ms
12 Jan 2025
Niven Numbers
Mabeloid
140
357ms
22 Sep 2024
Niven Numbers
pardouin
60
340ms
21 Aug 2024
Niven Numbers
KatieLG
109
337ms
5 May 2024
Niven Numbers
dokutan
61
316ms
24 Mar 2024
Niven Numbers
HumanoidCPU
88
326ms
25 Feb 2024
Niven Numbers
Matgc04
77
346ms
24 Feb 2024
Niven Numbers
brimstonetrader
65
319ms
8 Jan 2024
Niven Numbers
epic-programmer-guy
93
330ms
20 Dec 2023
Niven Numbers
namelessiw
🥇
58
334ms
12 Dec 2023
Niven Numbers
ElysiaVesper
101
333ms
23 Nov 2023
Niven Numbers
josephdwalker
77
354ms
21 Nov 2023
Niven Numbers
Betuaredead
60
318ms
11 Nov 2023
Niven Numbers
malworthy
69
353ms
25 Oct 2023
Niven Numbers
jmmographer
95
348ms
22 Oct 2023
Niven Numbers
Yewzir
60
334ms
23 Sep 2023
Niven Numbers
MiranDaniel
77
349ms
2 Sep 2023
Niven Numbers
msbranicky
92
318ms
28 Aug 2023
Niven Numbers
stefangimmillaro
🥇
58
386ms
21 Aug 2023
Niven Numbers
RobertEves92
327
341ms
8 Aug 2023
Niven Numbers
Pyro569
116
345ms
31 Jul 2023
Niven Numbers
Adix-null
69
453ms
30 Jul 2023
Niven Numbers
leth4
69
351ms
5 Jul 2023
Niven Numbers
m-tkach
60
319ms
2 Jun 2023
Niven Numbers
AdrienHache
🥇
58
334ms
31 May 2023
Niven Numbers
horvaro
84
354ms
20 Apr 2023
Niven Numbers
heathlarsen
131
367ms
6 Apr 2023
Niven Numbers
btnlq
🥇
58
345ms
10 Mar 2023
Niven Numbers
Shanethegamer
60
313ms
8 Mar 2023
Niven Numbers
arctouch-cristiannevianna
61
320ms
31 Jan 2023
Niven Numbers
TimJackMaster
110
354ms
25 Jan 2023
Niven Numbers
tomtheisen
60
351ms
17 Jan 2023
Niven Numbers
sean-niemann
60
360ms
17 Jan 2023
Niven Numbers
DialFrost
60
360ms
14 Jan 2023
Niven Numbers
retrohun
140
316ms
28 Dec 2022
Niven Numbers
DaCuteRaccoon
66
324ms
28 Dec 2022
Niven Numbers
postie77
62
318ms
21 Dec 2022
Niven Numbers
ChrisTheisen
62
321ms
19 Dec 2022
Niven Numbers
astdefu
99
338ms
12 Dec 2022
Niven Numbers
sm1lko
98
313ms
7 Dec 2022
Niven Numbers
clockworknazo
60
320ms
26 Nov 2022
Niven Numbers
premun
71
352ms
18 Nov 2022
Niven Numbers
Steffan153
60
349ms
17 Nov 2022
Niven Numbers
antarct
64
318ms
15 Nov 2022
Niven Numbers
MichalMarsalek
61
322ms
9 Nov 2022
Niven Numbers
Xwilarg
96
373ms
5 Nov 2022
Niven Numbers
MeWhenI
60
322ms
10 Oct 2022
Niven Numbers
Kloppermand
75
350ms
16 Sep 2022
Niven Numbers
5quiwyrm
61
321ms
9 Sep 2022
Niven Numbers
eshilo-draper
91
348ms
3 Sep 2022
Niven Numbers
hamhub7
91
325ms
8 Aug 2022
Niven Numbers
KatieLG-Transpiler
144
343ms
23 Jun 2022
Niven Numbers
lynn
60
319ms
3 Jun 2022
Niven Numbers
roavin
61
323ms
26 May 2022
Niven Numbers
tkr-sh
61
330ms
12 May 2022
Niven Numbers
RandGuy
88
334ms
1 Apr 2022
Niven Numbers
JacobStanleyJones
65
329ms
21 Mar 2022
Niven Numbers
ericlangedijk
60
321ms
15 Mar 2022
Niven Numbers
annaproxy
60
324ms
15 Mar 2022
Niven Numbers
GrayJoKing
60
319ms
14 Mar 2022
Niven Numbers
castur1
77
349ms
8 Mar 2022
Niven Numbers
MarkStockwellZA
96
343ms
5 Jan 2022
Niven Numbers
yannikHoeflich
94
352ms
26 Dec 2021