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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
Ascending Primes
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
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
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Pernicious Numbers (Long)
Poker
Polyominoes
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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
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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
Binary Lambda Calculus
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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p-adic Expansion
Polygon Triangulations
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Snake
Sphenic Numbers
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Tutorial
Hole
Golfer
Bytes
Time
Submitted
Happy Numbers (Long)
HumanoidCPU
981
6ms
2 hours ago
Happy Numbers (Long)
HumanoidCPU
162
338ms
24 hours ago
Happy Numbers (Long)
MeWhenI
🥈
181
1,567ms
34 hours ago
Happy Numbers (Long)
MeWhenI
110
335ms
35 hours ago
Happy Numbers (Long)
madeforlosers
118
21ms
40 hours ago
Happy Numbers (Long)
dokutan
607
120ms
44 hours ago
Happy Numbers (Long)
dokutan
558
65ms
44 hours ago
Happy Numbers (Long)
gigaprofisi
702
4ms
2 days ago
Happy Numbers (Long)
JOrE20
1,638
2ms
2 days ago
Happy Numbers (Long)
dokutan
136
5ms
2 days ago
Happy Numbers (Long)
dokutan
82
89ms
2 days ago
Happy Numbers (Long)
dokutan
117
119ms
2 days ago
Happy Numbers (Long)
dokutan
103
81ms
2 days ago
Happy Numbers (Long)
dokutan
102
2ms
2 days ago
Happy Numbers (Long)
dokutan
100
4ms
2 days ago
Happy Numbers (Long)
dokutan
98
7ms
2 days ago
Happy Numbers (Long)
dokutan
118
59ms
2 days ago
Happy Numbers (Long)
2bular
34
32ms
2 days ago
Happy Numbers (Long)
Babafaba
81
279ms
3 days ago
Happy Numbers (Long)
gigaprofisi
561
39ms
3 days ago
Happy Numbers (Long)
CaedenHarper
104
304ms
4 days ago
Happy Numbers (Long)
CaedenHarper
99
2ms
4 days ago
Happy Numbers (Long)
CaedenHarper
110
343ms
4 days ago
Happy Numbers (Long)
CaedenHarper
🥇
130
270ms
4 days ago
Happy Numbers (Long)
Chinay-Domitrix
117
2,230ms
4 days ago
Happy Numbers (Long)
AlephSquirrel
28
3ms
5 days ago
Happy Numbers (Long)
webmiche
145
129ms
5 days ago
Happy Numbers (Long)
Babafaba
81
561ms
6 days ago
Happy Numbers (Long)
ian-h-chamberlain
179
39ms
6 days ago
Happy Numbers (Long)
frankgraziano
🥈
232
37ms
8 days ago
Happy Numbers (Long)
Mabeloid
122
126ms
8 days ago
Happy Numbers (Long)
acotis
🥇
109
127ms
12 days ago
Happy Numbers (Long)
kg583
💎
93
16ms
12 days ago
Happy Numbers (Long)
KatieLG
716
136ms
15 days ago
Happy Numbers (Long)
TJK-S
140
14ms
17 days ago
Happy Numbers (Long)
snoozingnewt
84
81ms
17 days ago
Happy Numbers (Long)
dokutan
565
22ms
17 days ago
Happy Numbers (Long)
dokutan
450
1,714ms
17 days ago
Happy Numbers (Long)
CheeseCake628
114
518ms
21 days ago
Happy Numbers (Long)
albanian-laundromat
190
870ms
22 days ago
Happy Numbers (Long)
snoozingnewt
70
751ms
24 days ago
Happy Numbers (Long)
snoozingnewt
187
27ms
24 days ago
Happy Numbers (Long)
snoozingnewt
15
141ms
24 days ago
Happy Numbers (Long)
snoozingnewt
115
72ms
24 days ago
Happy Numbers (Long)
snoozingnewt
77
55ms
24 days ago
Happy Numbers (Long)
kg583
81
10ms
24 days ago
Happy Numbers (Long)
kg583
74
577ms
24 days ago
Happy Numbers (Long)
kg583
74
162ms
24 days ago
Happy Numbers (Long)
Babafaba
62
51ms
25 days ago
Happy Numbers (Long)
kmathis22
113
348ms
25 days ago
Happy Numbers (Long)
Babafaba
123
341ms
25 days ago
Happy Numbers (Long)
Babafaba
100
2ms
25 days ago
Happy Numbers (Long)
KrausRaus
72
21ms
26 days ago
Happy Numbers (Long)
namelessiw
22
467ms
27 days ago
Happy Numbers (Long)
albanian-laundromat
137
258ms
12 Oct 2025
Happy Numbers (Long)
Andre3582
116
18ms
10 Oct 2025
Happy Numbers (Long)
GolfingSuccess
553
2ms
8 Oct 2025
Happy Numbers (Long)
luuumine
118
26ms
8 Oct 2025
Happy Numbers (Long)
albanian-laundromat
86
589ms
7 Oct 2025
Happy Numbers (Long)
HumanoidCPU
560
2ms
6 Oct 2025
Happy Numbers (Long)
snoozingnewt
136
457ms
6 Oct 2025
Happy Numbers (Long)
CornerMercury
80
253ms
6 Oct 2025
Happy Numbers (Long)
namelessiw
118
354ms
6 Oct 2025
Happy Numbers (Long)
stefangimmillaro
111
338ms
6 Oct 2025
Happy Numbers (Long)
snoozingnewt
116
374ms
4 Oct 2025
Happy Numbers (Long)
KasperKivimaeki
🥇
130
252ms
4 Oct 2025
Happy Numbers (Long)
snoozingnewt
105
132ms
3 Oct 2025
Happy Numbers (Long)
snoozingnewt
125
334ms
3 Oct 2025
Happy Numbers (Long)
jacekwladzinski
95
28ms
2 Oct 2025
Happy Numbers (Long)
Yewzir
110
352ms
2 Oct 2025
Happy Numbers (Long)
maweowo
35
3ms
2 Oct 2025
Happy Numbers (Long)
snoozingnewt
105
80ms
30 Sep 2025
Happy Numbers (Long)
Schmitt-Very-Cool
129
329ms
30 Sep 2025
Happy Numbers (Long)
snoozingnewt
114
14ms
30 Sep 2025
Happy Numbers (Long)
snoozingnewt
127
461ms
29 Sep 2025