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12 Days of Christmas
24 Game
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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
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
Multitap Input
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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
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Hole
Golfer
Bytes
Time
Submitted
Happy Numbers
bpharaldsson
196
298ms
10 days ago
Happy Numbers
christos-cantina-security
144
285ms
13 days ago
Happy Numbers
kkoenig
🥇
108
274ms
27 days ago
Happy Numbers
kasarino
147
297ms
27 Aug 2026
Happy Numbers
Andrey2001
192
318ms
28 Jun 2026
Happy Numbers
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154
326ms
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Happy Numbers
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235
299ms
20 May 2026
Happy Numbers
prestosilver
136
333ms
29 Apr 2026
Happy Numbers
Carlos-EAC
154
308ms
1 Apr 2026
Happy Numbers
madex
142
309ms
14 Mar 2026
Happy Numbers
edsrzf
🥇
108
320ms
24 Feb 2026
Happy Numbers
JOrE20
670
304ms
18 Feb 2026
Happy Numbers
CornerMercury
130
317ms
11 Feb 2026
Happy Numbers
tomh1012
178
308ms
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Happy Numbers
Lv0Sys
129
322ms
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Happy Numbers
albanian-laundromat
110
328ms
22 Dec 2025
Happy Numbers
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110
318ms
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Happy Numbers
snoozingnewt
114
307ms
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Happy Numbers
Adix-null
572
348ms
27 Nov 2025
Happy Numbers
Zach1031
366
313ms
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Happy Numbers
Babafaba
156
317ms
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Happy Numbers
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115
312ms
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Happy Numbers
kmathis22
142
311ms
29 Sep 2025
Happy Numbers
InigoK
181
325ms
20 Sep 2025
Happy Numbers
blaztoma
177
302ms
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Happy Numbers
fuzzylojik-golf
110
316ms
3 Sep 2025
Happy Numbers
dbut2
141
316ms
15 Jul 2025
Happy Numbers
RaBa21
190
323ms
10 Jul 2025
Happy Numbers
targrik
163
311ms
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Happy Numbers
0xjac
137
313ms
7 Jun 2025
Happy Numbers
heanyang1
174
320ms
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Happy Numbers
BREMAUCY
154
312ms
21 May 2025
Happy Numbers
keelimeguy
111
311ms
28 Apr 2025
Happy Numbers
plcc0
110
331ms
21 Mar 2025
Happy Numbers
JunkIce
135
325ms
23 Feb 2025
Happy Numbers
yhm138
361
308ms
18 Feb 2025
Happy Numbers
error256
110
298ms
15 Feb 2025
Happy Numbers
acotis
192
319ms
6 Feb 2025
Happy Numbers
olleicua
188
299ms
23 Jan 2025
Happy Numbers
emgordon154
110
281ms
17 Jan 2025
Happy Numbers
LostSyntax21
148
313ms
8 Jan 2025
Happy Numbers
AidanWalter
410
305ms
2 Jan 2025
Happy Numbers
DialFrost
114
305ms
26 Dec 2024
Happy Numbers
adamnielson42
194
289ms
3 Dec 2024
Happy Numbers
Mabeloid
190
318ms
20 Sep 2024
Happy Numbers
madeforlosers
158
301ms
13 Sep 2024
Happy Numbers
HumanoidCPU
206
292ms
26 Aug 2024
Happy Numbers
pardouin
114
321ms
24 Aug 2024
Happy Numbers
rifatx
202
300ms
17 Jul 2024
Happy Numbers
Jacob385
159
311ms
10 Jul 2024
Happy Numbers
Ralac07
400
317ms
18 Jun 2024
Happy Numbers
hrubymar10
133
317ms
27 Feb 2024
Happy Numbers
jared-hughes
111
315ms
27 Feb 2024
Happy Numbers
bastatom
131
308ms
25 Feb 2024
Happy Numbers
neihousaigaai
146
325ms
14 Feb 2024
Happy Numbers
yuchuehw
180
305ms
28 Jan 2024
Happy Numbers
xbxbxb007
222
308ms
10 Jan 2024
Happy Numbers
m-tkach
110
315ms
5 Dec 2023
Happy Numbers
jupj
175
307ms
13 Nov 2023
Happy Numbers
hotmanga
222
311ms
7 Nov 2023
Happy Numbers
mpldr
218
334ms
31 Oct 2023
Happy Numbers
Yewzir
110
295ms
26 Oct 2023
Happy Numbers
dokutan
154
303ms
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Happy Numbers
arctouch-cristiannevianna
146
318ms
19 Oct 2023
Happy Numbers
SB-945
193
323ms
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Happy Numbers
jacobly0
204
306ms
11 Sep 2023
Happy Numbers
msbranicky
117
314ms
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Happy Numbers
sean-niemann
110
332ms
30 Aug 2023
Happy Numbers
adriweb
222
295ms
17 Aug 2023
Happy Numbers
Schmitt-Very-Cool
190
314ms
2 Aug 2023
Happy Numbers
jmerle
157
331ms
6 Jul 2023
Happy Numbers
stefangimmillaro
🥇
108
322ms
12 Jun 2023
Happy Numbers
TaserTheFox
159
326ms
1 Jun 2023
Happy Numbers
zakariamouhid
253
310ms
20 May 2023
Happy Numbers
5cw
215
317ms
22 Apr 2023
Happy Numbers
commandz0
190
293ms
16 Apr 2023
Happy Numbers
Narik1
169
332ms
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Happy Numbers
Shanethegamer
110
326ms
29 Mar 2023
Happy Numbers
zt14427
208
308ms
4 Mar 2023
Happy Numbers
neel11235813
185
318ms
4 Mar 2023
Happy Numbers
GolfingSuccess
188
300ms
25 Jan 2023
Happy Numbers
Betuaredead
162
305ms
19 Jan 2023
Happy Numbers
andersk
154
315ms
17 Jan 2023
Happy Numbers
kimbo
145
312ms
12 Jan 2023
Happy Numbers
retrohun
190
307ms
27 Dec 2022
Happy Numbers
Msleizak
363
318ms
13 Dec 2022
Happy Numbers
aksyristos
357
305ms
4 Dec 2022
Happy Numbers
scpchicken
206
311ms
3 Dec 2022
Happy Numbers
Steffan153
110
314ms
1 Oct 2022
Happy Numbers
KatieLG-Transpiler
156
310ms
24 Jun 2022
Happy Numbers
KatieLG
154
324ms
9 Apr 2022
Happy Numbers
sisyphus-ppcg
🥇
108
317ms
16 Mar 2022
Happy Numbers
j-Ewan
169
327ms
10 Mar 2022
Happy Numbers
ibeucaly
150
307ms
15 Nov 2021
Happy Numbers
mokymok
185
330ms
8 Nov 2021
Happy Numbers
MeWhenI
🥇
108
304ms
4 Nov 2021
Happy Numbers
emplv
111
301ms
31 Aug 2021
Happy Numbers
Lydxn
🥇
108
304ms
9 Jul 2021
Happy Numbers
JayXon
🥇
108
306ms
9 Jul 2021
Happy Numbers
janbehrens
139
307ms
8 Jul 2021