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γ
λ
π
τ
φ
√2
𝑒
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Calendar
Connect Four
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D
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BQN
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Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
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Stax
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All
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
Kolakoski Constant
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
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)
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
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Happy Numbers
amazingalek
72
406ms
14 hours ago
Happy Numbers
mwarvik
128
415ms
25 hours ago
Happy Numbers
FlyingPenguin223
90
2ms
29 hours ago
Happy Numbers
Lv0Sys
129
256ms
43 hours ago
Happy Numbers
NoneTheFewer
314
1,021ms
2 days ago
Happy Numbers
HumanoidCPU
94
669ms
3 days ago
Happy Numbers
dokutan
89
3ms
3 days ago
Happy Numbers
noahdorsch
559
984ms
4 days ago
Happy Numbers
NoneTheFewer
148
15ms
4 days ago
Happy Numbers
edsrzf
79
373ms
5 days ago
Happy Numbers
Shanethegamer
127
4ms
5 days ago
Happy Numbers
albanian-laundromat
82
41ms
6 days ago
Happy Numbers
edsrzf
67
140ms
6 days ago
Happy Numbers
CommandLeo
78
46ms
7 days ago
Happy Numbers
albanian-laundromat
100
258ms
8 days ago
Happy Numbers
albanian-laundromat
84
94ms
8 days ago
Happy Numbers
TheZwierzLF
106
38ms
8 days ago
Happy Numbers
DialFrost
83
41ms
14 days ago
Happy Numbers
ravnskjaer
136
332ms
14 days ago
Happy Numbers
dokutan
88
91ms
17 days ago
Happy Numbers
Lydxn
🥇
70
337ms
18 days ago
Happy Numbers
error256
💎
36
63ms
18 days ago
Happy Numbers
ovs-code
26
3ms
20 days ago
Happy Numbers
AlephSquirrel
32
4ms
20 days ago
Happy Numbers
snoozingnewt
84
3ms
20 days ago
Happy Numbers
snoozingnewt
🥇
54
13ms
20 days ago
Happy Numbers
snoozingnewt
🥇
148
426ms
22 days ago
Happy Numbers
sean-niemann
🥇
68
99ms
22 days ago
Happy Numbers
sean-niemann
🥈
57
1ms
22 days ago
Happy Numbers
HumanoidCPU
160
263ms
23 days ago
Happy Numbers
snoozingnewt
🥇
53
65ms
23 days ago
Happy Numbers
BREMAUCY
56
358ms
23 days ago
Happy Numbers
snoozingnewt
105
24ms
23 days ago
Happy Numbers
snoozingnewt
208
4ms
24 days ago
Happy Numbers
FortuiteMan
169
41ms
24 days ago
Happy Numbers
FortuiteMan
81
72ms
24 days ago
Happy Numbers
snoozingnewt
147
10ms
25 days ago
Happy Numbers
snoozingnewt
73
148ms
25 days ago
Happy Numbers
bizy-coder
62
9ms
25 days ago
Happy Numbers
CaedenHarper
100
254ms
25 days ago
Happy Numbers
Andrey2001
85
10ms
25 days ago
Happy Numbers
ian-h-chamberlain
126
124ms
25 days ago
Happy Numbers
DialFrost
63
3ms
25 days ago
Happy Numbers
luuumine
81
73ms
26 days ago
Happy Numbers
sunleonid
🥇
48
9ms
26 days ago
Happy Numbers
ryyyn
58
9ms
26 days ago
Happy Numbers
snoozingnewt
🥇
56
89ms
27 days ago
Happy Numbers
CaedenHarper
121
122ms
1 Dec 2025
Happy Numbers
CaedenHarper
160
101ms
1 Dec 2025
Happy Numbers
blaztoma
109
102ms
1 Dec 2025
Happy Numbers
Maashau
108
2ms
1 Dec 2025
Happy Numbers
KasperKivimaeki
111
384ms
30 Nov 2025
Happy Numbers
snoozingnewt
56
1,470ms
30 Nov 2025
Happy Numbers
snoozingnewt
45
102ms
30 Nov 2025
Happy Numbers
snoozingnewt
54
7ms
30 Nov 2025
Happy Numbers
snoozingnewt
🥉
44
4ms
30 Nov 2025
Happy Numbers
ScottHamper
79
440ms
30 Nov 2025
Happy Numbers
KatieLG
131
108ms
30 Nov 2025
Happy Numbers
KatieLG
134
172ms
30 Nov 2025
Happy Numbers
KatieLG
150
160ms
30 Nov 2025
Happy Numbers
KatieLG
109
3ms
30 Nov 2025
Happy Numbers
KatieLG
136
5ms
30 Nov 2025
Happy Numbers
HumanoidCPU
298
7ms
30 Nov 2025
Happy Numbers
HumanoidCPU
234
2ms
30 Nov 2025
Happy Numbers
snoozingnewt
🥇
68
123ms
30 Nov 2025
Happy Numbers
h3ra993huskp
79
459ms
30 Nov 2025
Happy Numbers
Lv0Sys
66
10ms
29 Nov 2025
Happy Numbers
Lv0Sys
60
39ms
29 Nov 2025
Happy Numbers
Lv0Sys
61
355ms
29 Nov 2025
Happy Numbers
Lv0Sys
84
21ms
29 Nov 2025
Happy Numbers
snoozingnewt
49
35ms
29 Nov 2025
Happy Numbers
snoozingnewt
88
115ms
29 Nov 2025
Happy Numbers
snoozingnewt
111
409ms
29 Nov 2025
Happy Numbers
snoozingnewt
83
3ms
29 Nov 2025
Happy Numbers
snoozingnewt
68
85ms
29 Nov 2025
Happy Numbers
snoozingnewt
243
2ms
29 Nov 2025
Happy Numbers
snoozingnewt
69
242ms
29 Nov 2025
Happy Numbers
snoozingnewt
78
5ms
29 Nov 2025
Happy Numbers
snoozingnewt
107
27ms
29 Nov 2025
Happy Numbers
snoozingnewt
67
136ms
29 Nov 2025