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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
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Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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Cubes
Day of Week
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Divisors
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Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
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Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
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Gray Code Encoder
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Happy Numbers (Long)
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Intersection
Inventory Sequence
ISBN
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ln 2
Look and Say
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Mandelbrot
Maze
Medal Tally
Minesweeper
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Morse Encoder
Multitap Input
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Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
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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
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Connect Four
Crossword
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NFA Simulator
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Odd Polyomino Tiling
p-adic Expansion
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Chars
Time
Submitted
Kolakoski Sequence
BrunoVisnadi
64
35ms
2 hours ago
Kolakoski Sequence
zgialor-lab
61
11ms
7 hours ago
Kolakoski Sequence
Arkadios200
81
12ms
2 days ago
Kolakoski Sequence
madeforlosers
65
13ms
3 days ago
Kolakoski Sequence
madex
68
26ms
5 days ago
Kolakoski Sequence
edsrzf
57
12ms
5 days ago
Kolakoski Sequence
jusaka
57
14ms
9 days ago
Kolakoski Sequence
Matter1024
67
13ms
13 days ago
Kolakoski Sequence
Seek64
56
25ms
9 Mar 2026
Kolakoski Sequence
acotis
79
12ms
7 Mar 2026
Kolakoski Sequence
StefanHabel
57
13ms
1 Mar 2026
Kolakoski Sequence
JOrE20
57
14ms
25 Feb 2026
Kolakoski Sequence
firegene
66
27ms
24 Feb 2026
Kolakoski Sequence
Flekay
57
13ms
15 Feb 2026
Kolakoski Sequence
pengu1n-master
59
12ms
10 Feb 2026
Kolakoski Sequence
ryyyn
57
36ms
21 Jan 2026
Kolakoski Sequence
CommandLeo
59
12ms
18 Jan 2026
Kolakoski Sequence
plcc0
55
12ms
13 Jan 2026
Kolakoski Sequence
blaztoma
57
12ms
11 Jan 2026
Kolakoski Sequence
KasperKivimaeki
57
14ms
3 Jan 2026
Kolakoski Sequence
solisolu
60
11ms
1 Jan 2026
Kolakoski Sequence
cros107
57
15ms
31 Dec 2025
Kolakoski Sequence
Andrey2001
82
11ms
6 Dec 2025
Kolakoski Sequence
Lv0Sys
64
13ms
4 Dec 2025
Kolakoski Sequence
snoozingnewt
54
19ms
1 Dec 2025
Kolakoski Sequence
AidanWalter
404
11ms
28 Nov 2025
Kolakoski Sequence
Code-Coder-coder
64
13ms
25 Nov 2025
Kolakoski Sequence
Carlos-EAC
2,008
16ms
24 Nov 2025
Kolakoski Sequence
CornerMercury
54
31ms
24 Nov 2025
Kolakoski Sequence
TheZwierzLF
93
76ms
23 Nov 2025
Kolakoski Sequence
Babafaba
54
15ms
19 Nov 2025
Kolakoski Sequence
Mabeloid
62
12ms
26 Oct 2025
Kolakoski Sequence
robin-scragg
58
14ms
21 Oct 2025
Kolakoski Sequence
luuumine
60
11ms
20 Oct 2025
Kolakoski Sequence
michaelmgreer
57
11ms
9 Oct 2025
Kolakoski Sequence
jacekwladzinski
62
13ms
4 Oct 2025
Kolakoski Sequence
qpwoeirut
54
13ms
1 Oct 2025
Kolakoski Sequence
Emutis
77
11ms
12 Sep 2025
Kolakoski Sequence
muser-logiccpu
2,008
11ms
26 Aug 2025
Kolakoski Sequence
Unknownuserfrommars
110
10ms
5 Aug 2025
Kolakoski Sequence
CaedenHarper
54
29ms
1 Aug 2025
Kolakoski Sequence
Zhenyu-Bo
253
10ms
31 Jul 2025
Kolakoski Sequence
LuisGoncalves05
60
11ms
29 Jul 2025
Kolakoski Sequence
vgamula
60
33ms
28 Jul 2025
Kolakoski Sequence
wuduculfre
58
31ms
22 Jul 2025
Kolakoski Sequence
RaBa21
70
13ms
18 Jul 2025
Kolakoski Sequence
fkantelberg
54
39ms
12 Jul 2025
Kolakoski Sequence
Mukundan314
54
31ms
4 Jul 2025
Kolakoski Sequence
khvdm
🥇
51
11ms
23 Jun 2025
Kolakoski Sequence
Alban-Boissard
71
14ms
10 Jun 2025
Kolakoski Sequence
40fied4t
86
13ms
15 May 2025
Kolakoski Sequence
moustave
64
12ms
5 May 2025
Kolakoski Sequence
emgordon154
54
12ms
23 Apr 2025
Kolakoski Sequence
undefinedRyan
77
12ms
19 Apr 2025
Kolakoski Sequence
4atj
55
29ms
8 Apr 2025
Kolakoski Sequence
nooberitess
65
12ms
8 Apr 2025
Kolakoski Sequence
zacjl
54
24ms
6 Apr 2025
Kolakoski Sequence
pardouin
🥇
51
11ms
6 Apr 2025
Kolakoski Sequence
dokutan
63
19ms
1 Apr 2025
Kolakoski Sequence
albanian-laundromat
55
11ms
29 Mar 2025
Kolakoski Sequence
WillowWispy
80
10ms
16 Mar 2025
Kolakoski Sequence
Pyroan
61
13ms
16 Mar 2025
Kolakoski Sequence
andrewjc2000
58
30ms
11 Mar 2025
Kolakoski Sequence
yhm138
745
11ms
17 Feb 2025
Kolakoski Sequence
kevinnaviapaiva
148
10ms
14 Feb 2025
Kolakoski Sequence
sean-niemann
53
25ms
26 Jan 2025
Kolakoski Sequence
yokasuretsu
74
13ms
13 Jan 2025
Kolakoski Sequence
croc54
58
30ms
9 Jan 2025
Kolakoski Sequence
JunkIce
68
19ms
24 Nov 2024
Kolakoski Sequence
lifthrasiir
54
12ms
16 Nov 2024
Kolakoski Sequence
5quiwyrm
54
14ms
14 Nov 2024
Kolakoski Sequence
brimstonetrader
129
10ms
13 Nov 2024
Kolakoski Sequence
wh3n3v3r
56
12ms
12 Nov 2024
Kolakoski Sequence
ahmetdemirag
61
18ms
5 Nov 2024
Kolakoski Sequence
RedzGoose
74
12ms
14 Oct 2024
Kolakoski Sequence
ComputerKWasTaken
2,008
10ms
18 Sep 2024
Kolakoski Sequence
jatloe
54
11ms
6 Sep 2024
Kolakoski Sequence
Terobero
64
21ms
6 Sep 2024
Kolakoski Sequence
Mikey-Beep
218
11ms
2 Sep 2024
Kolakoski Sequence
davecame
55
14ms
21 Aug 2024