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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
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Arabic to Roman
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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
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Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
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
Partition Numbers
Pascal’s Triangle
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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
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
Calendar
Connect Four
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CSS Grid
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Flags
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p-adic Expansion
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QR Encoder
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Tutorial
Hole
Golfer
Chars
Time
Submitted
Van Eck Sequence
snoozingnewt
52
42ms
17 days ago
Van Eck Sequence
pardouin
🥇
39
38ms
10 Sep 2025
Van Eck Sequence
CaedenHarper
2,560
31ms
16 Aug 2025
Van Eck Sequence
sean-niemann
🥇
39
39ms
23 Jun 2025
Van Eck Sequence
xsot
40
43ms
3 May 2025
Van Eck Sequence
codereport
52
37ms
21 Apr 2025
Van Eck Sequence
olleicua
52
40ms
25 Feb 2025
Van Eck Sequence
dokutan
77
43ms
9 Feb 2025
Van Eck Sequence
tatzyr
53
43ms
18 Jan 2025
Van Eck Sequence
emgordon154
52
46ms
27 Nov 2024
Van Eck Sequence
Mabeloid
2,560
40ms
3 Oct 2024
Van Eck Sequence
HumanoidCPU
75
41ms
1 Aug 2024
Van Eck Sequence
Steffan153
🥇
39
38ms
18 Jul 2024
Van Eck Sequence
msbranicky
98
45ms
12 Sep 2023
Van Eck Sequence
Andriamanitra
55
44ms
17 Jul 2023
Van Eck Sequence
nwellnhof
🥇
39
51ms
6 Jul 2023
Van Eck Sequence
ovs-code
🥇
39
37ms
20 May 2023
Van Eck Sequence
stefangimmillaro
42
40ms
7 Apr 2023
Van Eck Sequence
Haksell
2,560
35ms
23 Feb 2023
Van Eck Sequence
Natanaelel
50
39ms
12 Feb 2023
Van Eck Sequence
aksyristos
74
42ms
12 Feb 2023
Van Eck Sequence
anter69
53
44ms
9 Jan 2023
Van Eck Sequence
retrohun
2,560
36ms
28 Dec 2022
Van Eck Sequence
Shanethegamer
46
37ms
15 Dec 2022
Van Eck Sequence
m-tkach
50
42ms
12 Dec 2022
Van Eck Sequence
DialFrost
108
41ms
7 Nov 2022
Van Eck Sequence
MeWhenI
40
37ms
4 Nov 2022
Van Eck Sequence
OhmNomNom
41
36ms
18 Oct 2022
Van Eck Sequence
jared-hughes
49
37ms
11 Sep 2022
Van Eck Sequence
KatieLG-Transpiler
2,560
39ms
24 Jun 2022
Van Eck Sequence
shinh
55
47ms
22 Jun 2022
Van Eck Sequence
radarek
🥇
39
37ms
12 Mar 2022
Van Eck Sequence
SirBogman
47
43ms
26 Nov 2021
Van Eck Sequence
BrenSchaap
79
42ms
18 Nov 2021
Van Eck Sequence
Luj8n
103
39ms
12 Nov 2021
Van Eck Sequence
mokymok
3,559
35ms
8 Nov 2021
Van Eck Sequence
olivermrose
55
37ms
6 Nov 2021
Van Eck Sequence
Fmbalbuena
138
41ms
15 Oct 2021
Van Eck Sequence
schachmattmatt
53
50ms
25 Sep 2021
Van Eck Sequence
adoxography
53
42ms
20 Aug 2021
Van Eck Sequence
JayXon
🥇
39
37ms
14 Aug 2021
Van Eck Sequence
primo-ppcg
🥇
39
36ms
26 May 2021
Van Eck Sequence
canissimia
🥇
39
38ms
5 May 2021
Van Eck Sequence
janlelis
🥇
39
37ms
3 May 2021
Van Eck Sequence
KatieLG
55
40ms
3 May 2021
Van Eck Sequence
RustemB
71
45ms
2 May 2021
Van Eck Sequence
meenie
55
41ms
1 May 2021
Van Eck Sequence
prplz
44
36ms
1 May 2021
Van Eck Sequence
Lydxn
🥇
39
38ms
1 May 2021
Van Eck Sequence
GrayJoKing
🥇
39
37ms
1 May 2021
Van Eck Sequence
Waffle3z
46
37ms
1 May 2021
Van Eck Sequence
JRaspass
2,560
36ms
1 May 2021