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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
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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
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
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Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
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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
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
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Snake
Sphenic Numbers
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Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Vampire Numbers
CaedenHarper
251
562ms
9 days ago
Vampire Numbers
AdrienHache
173
686ms
25 Sep 2025
Vampire Numbers
namelessiw
179
575ms
26 Jun 2025
Vampire Numbers
Yax42
235
480ms
25 Jun 2025
Vampire Numbers
Adix-null
376
1,669ms
31 Oct 2024
Vampire Numbers
najs91
285
1,913ms
31 Oct 2024
Vampire Numbers
HumanoidCPU
509
1,748ms
9 Oct 2024
Vampire Numbers
KatieLG
1,089
385ms
5 May 2024
Vampire Numbers
dokutan
674
347ms
28 Apr 2024
Vampire Numbers
arctouch-cristiannevianna
374
653ms
1 Mar 2024
Vampire Numbers
HumanEquivalentUnit
217
818ms
25 Nov 2023
Vampire Numbers
bac0id
322
2,791ms
26 Sep 2023
Vampire Numbers
Shanethegamer
1,089
367ms
13 Sep 2023
Vampire Numbers
MeWhenI
439
382ms
26 Jul 2023
Vampire Numbers
nwellnhof
148
1,871ms
18 Jun 2023
Vampire Numbers
JayXon
💎
140
2,797ms
18 Jun 2023
Vampire Numbers
stefangimmillaro
🥈
143
2,734ms
7 Jun 2023
Vampire Numbers
rifatx
1,093
306ms
25 Mar 2023
Vampire Numbers
btnlq
152
422ms
4 Mar 2023
Vampire Numbers
tomtheisen
🥉
145
1,538ms
17 Feb 2023
Vampire Numbers
Ripick
361
657ms
16 Feb 2023
Vampire Numbers
DialFrost
530
745ms
14 Jan 2023
Vampire Numbers
retrohun
1,242
293ms
28 Dec 2022
Vampire Numbers
SmartK8
499
2,399ms
31 Oct 2022
Vampire Numbers
aliakseikalosha
357
894ms
31 Oct 2022
Vampire Numbers
eldritchconundrum
289
598ms
31 Oct 2022
Vampire Numbers
hermanussen
1,093
368ms
31 Aug 2022
Vampire Numbers
hamhub7
408
1,783ms
15 Aug 2022
Vampire Numbers
roavin
262
634ms
4 Jul 2022
Vampire Numbers
KatieLG-Transpiler
1,246
412ms
23 Jun 2022
Vampire Numbers
annaproxy
195
963ms
18 Mar 2022
Vampire Numbers
ericlangedijk
218
787ms
17 Mar 2022
Vampire Numbers
p-vf
1,089
327ms
15 Jan 2022
Vampire Numbers
tomh1012
372
2,785ms
23 Nov 2021
Vampire Numbers
janbehrens
298
445ms
21 Nov 2021
Vampire Numbers
mokymok
1,242
335ms
21 Nov 2021
Vampire Numbers
Meowsan91
1,242
343ms
21 Nov 2021
Vampire Numbers
BradSissons
522
582ms
21 Nov 2021
Vampire Numbers
c0d3-4-F00d
1,242
370ms
21 Nov 2021
Vampire Numbers
ashscodes
671
708ms
19 Nov 2020