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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
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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
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N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
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Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
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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
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
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
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NFA Simulator
Numbrix
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p-adic Expansion
Polygon Triangulations
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Hole
Golfer
Bytes
Time
Submitted
Collatz
CaedenHarper
47
304ms
27 Oct 2025
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32
216ms
7 Sep 2025
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DialFrost
29
176ms
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saito-ta
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08jne01
31
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76
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3,227
37ms
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emgordon154
27
115ms
13 Sep 2024
Collatz
ovs-code
🥇
26
352ms
5 May 2024
Collatz
HumanoidCPU
3,227
36ms
3 May 2024
Collatz
dsyun96
31
132ms
18 Mar 2024
Collatz
olleicua
35
203ms
11 Mar 2024
Collatz
Herbert00709
34
347ms
1 Mar 2024
Collatz
jbjd
42
182ms
17 Feb 2024
Collatz
steffan-polygolf
64
235ms
14 Feb 2024
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kurkale6ka
3,227
37ms
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MWI-polygolf
65
222ms
6 Dec 2023
Collatz
LeoVanderSteege
41
181ms
18 Nov 2023
Collatz
lynn
27
149ms
16 Oct 2023
Collatz
orthoplex
27
149ms
5 Oct 2023
Collatz
Shanethegamer
3,227
36ms
13 Sep 2023
Collatz
neel11235813
27
150ms
16 Mar 2023
Collatz
AlephSquirrel
🥇
26
146ms
6 Jan 2023
Collatz
betaveros
27
156ms
4 Jan 2023
Collatz
retrohun
3,231
36ms
27 Dec 2022
Collatz
Vap0r1ze
49
196ms
2 Dec 2022
Collatz
Steffan153
27
146ms
15 Nov 2022
Collatz
CatsAreFluffy
3,227
36ms
29 Oct 2022
Collatz
JayXon
27
157ms
23 Oct 2022
Collatz
5quiwyrm
34
231ms
21 Oct 2022
Collatz
primo-ppcg
27
152ms
30 Sep 2022
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SirBogman
28
162ms
17 Sep 2022
Collatz
SniperSmiley
39
171ms
11 Sep 2022
Collatz
clockworknazo
27
123ms
17 Aug 2022
Collatz
GrayJoKing
27
148ms
31 Jul 2022
Collatz
Lydxn
27
150ms
28 Jul 2022
Collatz
MeWhenI
27
159ms
22 Jul 2022
Collatz
KatieLG-Transpiler
3,227
39ms
22 Jul 2022
Collatz
KatieLG
3,227
36ms
22 Jul 2022
Collatz
Natanaelel
28
176ms
22 Jul 2022
Collatz
sisyphus-ppcg
27
125ms
22 Jul 2022