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Hy
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
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Arabic to Roman
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Arrows
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ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
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
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Intersection
Inventory Sequence
ISBN
Jacobi Symbol
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Kolakoski Sequence
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Levenshtein Distance
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ln 2
Look and Say
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Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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)
Taxicab Numbers
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
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
NFA Simulator
Nim
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p-adic Expansion
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QR Encoder
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Tutorial
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Hole
Golfer
Bytes
Time
Submitted
Happy Numbers
Europe2048
68
11ms
9 hours ago
Happy Numbers
zzh1996
🥇
62
10ms
14 days ago
Happy Numbers
EDZ94
88
19ms
20 days ago
Happy Numbers
arincon-dev
88
19ms
20 days ago
Happy Numbers
jatloe
69
10ms
1 Jun 2026
Happy Numbers
GolfingSuccess
🥇
62
10ms
28 May 2026
Happy Numbers
zgialor-lab
104
31ms
25 May 2026
Happy Numbers
oaiqjuy
🥇
62
10ms
19 May 2026
Happy Numbers
ahmetdemirag
74
104ms
11 May 2026
Happy Numbers
sisyphus-gpt
🥇
62
10ms
7 May 2026
Happy Numbers
solisolu
65
10ms
2 May 2026
Happy Numbers
denkyuu1
68
10ms
29 Apr 2026
Happy Numbers
ComradeSquirrel
87
30ms
29 Apr 2026
Happy Numbers
NacMacFigl
107
17ms
28 Apr 2026
Happy Numbers
BrunoVisnadi
77
51ms
25 Apr 2026
Happy Numbers
cuvam
130
11ms
20 Apr 2026
Happy Numbers
scpchicken
🥇
62
10ms
19 Apr 2026
Happy Numbers
JNedd26
123
17ms
18 Apr 2026
Happy Numbers
dcc5480
92
10ms
16 Apr 2026
Happy Numbers
lelbal
92
75ms
15 Apr 2026
Happy Numbers
madex
65
10ms
11 Apr 2026
Happy Numbers
Mikey-Beep
111
11ms
8 Apr 2026
Happy Numbers
vang1ong7ang
🥇
62
10ms
8 Apr 2026
Happy Numbers
madeforlosers
115
19ms
7 Apr 2026
Happy Numbers
professor-l
162
11ms
2 Apr 2026
Happy Numbers
Andrey2001
84
18ms
1 Apr 2026
Happy Numbers
aksyristos
🥇
62
10ms
29 Mar 2026
Happy Numbers
Aquateraneal
98
10ms
6 Mar 2026
Happy Numbers
Apfelvater
124
20ms
2 Mar 2026
Happy Numbers
JOrE20
69
10ms
25 Feb 2026
Happy Numbers
netfri25
89
18ms
24 Feb 2026
Happy Numbers
FoxInTheClouds
🥇
62
11ms
19 Feb 2026
Happy Numbers
dokutan
🥇
62
10ms
17 Feb 2026
Happy Numbers
Flekay
🥇
62
10ms
12 Feb 2026
Happy Numbers
SectorCorruptor
68
10ms
8 Feb 2026
Happy Numbers
tomh1012
111
11ms
5 Feb 2026
Happy Numbers
77Tigers
79
49ms
13 Jan 2026
Happy Numbers
phucthaiv02
90
11ms
7 Jan 2026
Happy Numbers
FusionAtom360
133
20ms
4 Jan 2026
Happy Numbers
averagepythondev
119
10ms
2 Jan 2026
Happy Numbers
NoneTheFewer
148
17ms
25 Dec 2025
Happy Numbers
CommandLeo
78
57ms
23 Dec 2025
Happy Numbers
KasperKivimaeki
🥇
62
10ms
8 Dec 2025
Happy Numbers
FortuiteMan
81
74ms
5 Dec 2025
Happy Numbers
bizy-coder
🥇
62
10ms
5 Dec 2025
Happy Numbers
ryyyn
🥇
62
11ms
4 Dec 2025
Happy Numbers
CaedenHarper
🥇
62
10ms
4 Dec 2025
Happy Numbers
luuumine
81
72ms
4 Dec 2025
Happy Numbers
sunleonid
🥇
62
10ms
4 Dec 2025
Happy Numbers
RainVniaR
84
24ms
29 Nov 2025
Happy Numbers
snoozingnewt
🥇
62
10ms
28 Nov 2025
Happy Numbers
HPWiz
🥇
62
11ms
26 Nov 2025
Happy Numbers
Code-Coder-coder
87
13ms
24 Nov 2025
Happy Numbers
Emutis
🥇
62
10ms
16 Nov 2025
Happy Numbers
blaztoma
🥇
62
12ms
16 Nov 2025
Happy Numbers
Babafaba
65
11ms
5 Nov 2025
Happy Numbers
ApoChagi
114
20ms
25 Oct 2025
Happy Numbers
DrakeSeteraO
73
11ms
25 Oct 2025
Happy Numbers
TJK-S
139
12ms
22 Oct 2025
Happy Numbers
DGipe
135
12ms
22 Oct 2025
Happy Numbers
countlpaul-dotcom
68
12ms
19 Oct 2025
Happy Numbers
ian-h-chamberlain
109
20ms
16 Oct 2025
Happy Numbers
ndren
🥇
62
11ms
7 Oct 2025
Happy Numbers
CornerMercury
🥇
62
12ms
7 Oct 2025
Happy Numbers
jacekwladzinski
94
18ms
2 Oct 2025
Happy Numbers
qpwoeirut
68
11ms
1 Oct 2025
Happy Numbers
ESOrSomething
142
12ms
29 Sep 2025
Happy Numbers
edsrzf
🥇
62
10ms
15 Sep 2025
Happy Numbers
mathb0y512
94
38ms
11 Sep 2025
Happy Numbers
InigoK
78
39ms
5 Sep 2025
Happy Numbers
arjunarya1
115
11ms
28 Aug 2025
Happy Numbers
EthanJantz
128
19ms
27 Aug 2025
Happy Numbers
wobblybits
99
20ms
18 Aug 2025
Happy Numbers
katss2
90
15ms
14 Aug 2025
Happy Numbers
muser-logiccpu
204
12ms
9 Aug 2025
Happy Numbers
andrewjc2000
86
19ms
5 Aug 2025
Happy Numbers
Zhenyu-Bo
306
11ms
1 Aug 2025
Happy Numbers
YAJUE114514
92
26ms
28 Jul 2025
Happy Numbers
BREMAUCY
🥇
62
11ms
26 Jul 2025
Happy Numbers
dirckvdende
🥇
62
11ms
24 Jul 2025
Happy Numbers
osNiko
122
11ms
23 Jul 2025
Happy Numbers
csharpython
97
21ms
17 Jul 2025
Happy Numbers
SanderRuud
68
10ms
13 Jul 2025
Happy Numbers
clayboll99
115
12ms
11 Jul 2025
Happy Numbers
lukegustafson
🥇
62
11ms
11 Jul 2025
Happy Numbers
RaBa21
92
11ms
10 Jul 2025
Happy Numbers
codewrite
98
20ms
10 Jul 2025
Happy Numbers
rollsroyce0
103
19ms
8 Jul 2025
Happy Numbers
albanian-laundromat
68
10ms
30 Jun 2025
Happy Numbers
4atj
🥇
62
12ms
30 Jun 2025
Happy Numbers
123mjb
111
13ms
26 Jun 2025
Happy Numbers
jipsong
79
77ms
20 Jun 2025
Happy Numbers
ffelixm
92
12ms
12 Jun 2025
Happy Numbers
strogor
132
12ms
9 Jun 2025
Happy Numbers
TheZwierzLF
125
34ms
25 May 2025
Happy Numbers
WillowWispy
119
19ms
25 May 2025
Happy Numbers
damoose717
119
12ms
23 May 2025
Happy Numbers
fuzzylojik-golf
🥇
62
10ms
22 May 2025
Happy Numbers
40fied4t
108
11ms
21 May 2025
Happy Numbers
kbeat
107
20ms
21 May 2025