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Hy
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Chess Move Validation
Christmas Trees
Collatz
Connect Four
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
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
Multitap Input
Musical Chords
N Queens
Nim
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
Ulam Sequence
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Thue–Morse Constant
Turtle
Tutorial
Yellowstone Permutation
Hole
Golfer
Chars
Time
Submitted
Kaprekar Numbers
Xanderium
142
4,653ms
3 days ago
Kaprekar Numbers
egu555
64
4,460ms
7 days ago
Kaprekar Numbers
vlpx
🥇
54
451ms
8 days ago
Kaprekar Numbers
blaztoma
🥇
54
379ms
23 days ago
Kaprekar Numbers
JOrE20
64
4,373ms
23 days ago
Kaprekar Numbers
Lv0Sys
75
4,969ms
24 days ago
Kaprekar Numbers
two-bad
105
4,986ms
22 Aug 2026
Kaprekar Numbers
HumanoidCPU
194
13ms
18 Aug 2026
Kaprekar Numbers
scpchicken
63
3,164ms
18 Aug 2026
Kaprekar Numbers
zzh1996
57
3,179ms
11 Jul 2026
Kaprekar Numbers
emplv
🥇
54
440ms
10 Jul 2026
Kaprekar Numbers
edsrzf
57
458ms
16 Jun 2026
Kaprekar Numbers
CaedenHarper
70
2,881ms
8 Jun 2026
Kaprekar Numbers
iczelia
70
2,635ms
25 May 2026
Kaprekar Numbers
oaiqjuy
71
4,446ms
18 May 2026
Kaprekar Numbers
rucin93
🥇
54
453ms
23 Apr 2026
Kaprekar Numbers
tomh1012
109
4,692ms
27 Mar 2026
Kaprekar Numbers
duckyluuk
98
4,792ms
23 Mar 2026
Kaprekar Numbers
KingSkyrock
105
4,922ms
25 Feb 2026
Kaprekar Numbers
JayXon
🥇
54
725ms
21 Feb 2026
Kaprekar Numbers
plcc0
83
1,326ms
18 Feb 2026
Kaprekar Numbers
Steffan153
56
3,252ms
12 Feb 2026
Kaprekar Numbers
KatieLG
117
4,561ms
14 Jan 2026
Kaprekar Numbers
KatieLG-Transpiler
455
7ms
9 Jan 2026
Kaprekar Numbers
bizy-coder
55
460ms
15 Dec 2025
Kaprekar Numbers
Natanaelel
97
4,945ms
25 Nov 2025
Kaprekar Numbers
LukeBridges
106
4,972ms
24 Nov 2025
Kaprekar Numbers
Laellekoenig
76
4,301ms
4 Nov 2025
Kaprekar Numbers
levinwinter
96
4,105ms
4 Nov 2025
Kaprekar Numbers
elisherer
364
8ms
3 Nov 2025
Kaprekar Numbers
snoozingnewt
110
4,796ms
29 Sep 2025
Kaprekar Numbers
olleicua
446
6ms
10 Sep 2025
Kaprekar Numbers
madeforlosers
97
5,000ms
26 Aug 2025
Kaprekar Numbers
didion0
446
7ms
26 Aug 2025
Kaprekar Numbers
acollett89
135
4,516ms
21 Jul 2025
Kaprekar Numbers
Quadruplay
448
7ms
12 Jul 2025
Kaprekar Numbers
weliveinhell
187
4,902ms
20 Jun 2025
Kaprekar Numbers
gigaprofisi
446
6ms
20 Jun 2025
Kaprekar Numbers
lukegustafson
56
3,284ms
11 Apr 2025
Kaprekar Numbers
targrik
86
580ms
24 Feb 2025
Kaprekar Numbers
gnlow
125
4,209ms
11 Feb 2025
Kaprekar Numbers
jared-hughes
90
4,009ms
23 Dec 2024
Kaprekar Numbers
junkondo-jp
81
4,896ms
15 Dec 2024
Kaprekar Numbers
alexsave
73
4,738ms
4 Dec 2024
Kaprekar Numbers
emgordon154
77
4,286ms
27 Nov 2024
Kaprekar Numbers
Salutations45
446
6ms
22 Nov 2024
Kaprekar Numbers
mrxz
151
4,111ms
21 Nov 2024
Kaprekar Numbers
BambooleanLogic
78
3,289ms
19 Nov 2024
Kaprekar Numbers
zakariamouhid
446
6ms
17 Nov 2024
Kaprekar Numbers
lifthrasiir
83
330ms
14 Nov 2024
Kaprekar Numbers
Maznek
364
10ms
8 Nov 2024
Kaprekar Numbers
Andrey-Plotnikov
111
1,488ms
6 Nov 2024
Kaprekar Numbers
DialFrost
56
3,118ms
3 Nov 2024
Kaprekar Numbers
GeorgeStechman
78
4,957ms
3 Nov 2024
Kaprekar Numbers
ovs-code
56
3,273ms
3 Nov 2024
Kaprekar Numbers
KrausRaus
92
4,990ms
2 Nov 2024
Kaprekar Numbers
MeWhenI
446
6ms
2 Nov 2024
Kaprekar Numbers
nwellnhof
56
4,999ms
1 Nov 2024
Kaprekar Numbers
error256
66
3,370ms
1 Nov 2024
Kaprekar Numbers
helbling
71
4,726ms
1 Nov 2024
Kaprekar Numbers
tayloia
69
2,979ms
1 Nov 2024
Kaprekar Numbers
voytxt
93
4,245ms
1 Nov 2024
Kaprekar Numbers
stefangimmillaro
80
3,014ms
1 Nov 2024
Kaprekar Numbers
dokutan
266
6ms
1 Nov 2024
Kaprekar Numbers
Shanethegamer
107
3,248ms
1 Nov 2024
Kaprekar Numbers
pardouin
56
4,985ms
1 Nov 2024
Kaprekar Numbers
sean-niemann
56
4,981ms
1 Nov 2024