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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
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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)
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Intersection
Inventory Sequence
ISBN
Jacobi Symbol
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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
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
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
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Highly Composite Numbers
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Numbrix
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p-adic Expansion
Polygon Triangulations
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Tutorial
Hole
Golfer
Bytes
Time
Submitted
Collatz
D-MOVE
56
36ms
2 days ago
Collatz
lacrosse
57
48ms
13 days ago
Collatz
Laellekoenig
59
40ms
6 Nov 2025
Collatz
snoozingnewt
64
49ms
25 Oct 2025
Collatz
kmathis22
78
35ms
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Collatz
radarek
🥇
49
191ms
26 Aug 2025
Collatz
vishal-mohanty
54
36ms
25 Aug 2025
Collatz
pardouin
50
38ms
22 Aug 2025
Collatz
yobatm
98
34ms
22 Aug 2025
Collatz
CaedenHarper
3,231
34ms
16 Aug 2025
Collatz
Ohh-n
73
35ms
9 Aug 2025
Collatz
ejini6969
59
36ms
13 Jun 2025
Collatz
sean-niemann
50
37ms
9 Jun 2025
Collatz
AbrahamJLR
54
36ms
4 Jun 2025
Collatz
LostSyntax21
54
38ms
12 Mar 2025
Collatz
tatzyr
58
37ms
10 Dec 2024
Collatz
madeforlosers
71
35ms
7 Nov 2024
Collatz
lgrandco
56
39ms
9 Oct 2024
Collatz
anter69
56
35ms
18 Sep 2024
Collatz
Mabeloid
3,231
34ms
17 Sep 2024
Collatz
beergit
72
36ms
7 Aug 2024
Collatz
emgordon154
58
37ms
26 Jul 2024
Collatz
Steffan153
50
39ms
20 Jul 2024
Collatz
dokutan
63
40ms
15 Jul 2024
Collatz
error256
55
36ms
4 May 2024
Collatz
HumanoidCPU
3,231
36ms
3 May 2024
Collatz
truisseaux
70
38ms
12 Apr 2024
Collatz
rniii
59
37ms
26 Mar 2024
Collatz
3dm4n
56
37ms
11 Mar 2024
Collatz
adoxography
68
34ms
2 Mar 2024
Collatz
RuyiLi
63
36ms
21 Feb 2024
Collatz
olleicua
54
39ms
21 Jan 2024
Collatz
KatieLG
65
37ms
26 Dec 2023
Collatz
Shanethegamer
58
36ms
25 Dec 2023
Collatz
catflip
83
35ms
30 Nov 2023
Collatz
hollma
81
35ms
20 Oct 2023
Collatz
msbranicky
85
34ms
10 Oct 2023
Collatz
aaronze
61
36ms
17 Sep 2023
Collatz
annaproxy
58
40ms
15 Sep 2023
Collatz
pfysches-boop
71
35ms
6 Aug 2023
Collatz
janbehrens
60
36ms
17 May 2023
Collatz
vrnprkh
70
34ms
30 Mar 2023
Collatz
Haksell
53
36ms
22 Feb 2023
Collatz
sisyphus-ppcg
50
38ms
20 Feb 2023
Collatz
aksyristos
56
36ms
29 Jan 2023
Collatz
fynnkroeger
61
36ms
6 Jan 2023
Collatz
Betuaredead
93
36ms
5 Jan 2023
Collatz
DialFrost
55
38ms
1 Jan 2023
Collatz
retrohun
3,231
34ms
27 Dec 2022
Collatz
sreedevk
101
36ms
4 Dec 2022
Collatz
GrayJoKing
🥇
49
34ms
15 Nov 2022
Collatz
JayXon
🥇
49
35ms
17 Oct 2022
Collatz
Feniske
66
36ms
8 Oct 2022
Collatz
OhmNomNom
54
37ms
7 Oct 2022
Collatz
stefangimmillaro
53
35ms
2 Oct 2022
Collatz
jared-hughes
54
37ms
12 Sep 2022
Collatz
tkr-sh
58
37ms
8 Sep 2022
Collatz
4hg
55
36ms
24 Aug 2022
Collatz
razetime
60
37ms
22 Aug 2022
Collatz
purp
62
35ms
13 Aug 2022
Collatz
Andriamanitra
54
37ms
21 Jul 2022
Collatz
jamespeilunli
75
35ms
4 Jul 2022
Collatz
Irratix
57
38ms
29 Jun 2022
Collatz
shinh
52
36ms
29 Jun 2022
Collatz
KatieLG-Transpiler
3,231
33ms
24 Jun 2022
Collatz
Natanaelel
51
35ms
2 Jun 2022
Collatz
MeWhenI
53
36ms
1 Jun 2022
Collatz
janlelis
51
36ms
10 May 2022
Collatz
ovs-code
50
269ms
7 May 2022
Collatz
olivermrose
55
38ms
6 May 2022
Collatz
primo-ppcg
51
38ms
6 May 2022
Collatz
Waffle3z
64
39ms
6 May 2022
Collatz
DaCuteRaccoon
60
39ms
5 May 2022
Collatz
SirBogman
55
38ms
5 May 2022
Collatz
canissimia
50
37ms
5 May 2022