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12 Days of Christmas
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Abundant Numbers
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Arabic to Roman
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brainfuck
Calendar
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Catalan’s Constant
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Divisors
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Emirp Numbers (Long)
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Evil Numbers (Long)
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Foo Fizz Buzz Bar
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Game of Life
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Happy Numbers (Long)
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ISBN
Jacobi Symbol
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ln 2
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Mandelbrot
Maze
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Morse Decoder
Morse Encoder
Multitap Input
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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
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Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
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p-adic Expansion
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Chars
Time
Submitted
Happy Numbers (Long)
pardouin
🥈
49
74ms
5 days ago
Happy Numbers (Long)
Steffan153
🥉
50
97ms
11 Feb 2026
Happy Numbers (Long)
TheZwierzLF
96
39ms
6 Jan 2026
Happy Numbers (Long)
Lv0Sys
60
36ms
5 Dec 2025
Happy Numbers (Long)
Babafaba
62
35ms
15 Oct 2025
Happy Numbers (Long)
KatieLG
60
42ms
2 Oct 2025
Happy Numbers (Long)
CaedenHarper
67
85ms
31 Aug 2025
Happy Numbers (Long)
stefangimmillaro
🥉
50
93ms
27 May 2025
Happy Numbers (Long)
LostSyntax21
68
125ms
8 Jan 2025
Happy Numbers (Long)
sean-niemann
🥉
50
92ms
23 Dec 2024
Happy Numbers (Long)
tatzyr
64
39ms
11 Dec 2024
Happy Numbers (Long)
edsrzf
65
81ms
5 Nov 2024
Happy Numbers (Long)
Mabeloid
557
32ms
18 Sep 2024
Happy Numbers (Long)
snoozingnewt
68
129ms
1 Sep 2024
Happy Numbers (Long)
beergit
104
45ms
7 Aug 2024
Happy Numbers (Long)
Ralac07
101
39ms
4 Jul 2024
Happy Numbers (Long)
HumanoidCPU
83
45ms
23 Jun 2024
Happy Numbers (Long)
madex
68
37ms
13 Jun 2024
Happy Numbers (Long)
error256
59
52ms
13 May 2024
Happy Numbers (Long)
dokutan
170
34ms
14 Apr 2024
Happy Numbers (Long)
olleicua
68
48ms
20 Feb 2024
Happy Numbers (Long)
SirBogman
59
73ms
10 Jan 2024
Happy Numbers (Long)
FlyingPenguin223
59
40ms
18 Oct 2023
Happy Numbers (Long)
aaronze
71
37ms
17 Sep 2023
Happy Numbers (Long)
msbranicky
139
39ms
8 Sep 2023
Happy Numbers (Long)
xsot
54
37ms
25 Jul 2023
Happy Numbers (Long)
PikeIt
111
38ms
27 Jun 2023
Happy Numbers (Long)
Natanaelel
55
36ms
10 May 2023
Happy Numbers (Long)
ovs-code
55
66ms
9 May 2023
Happy Numbers (Long)
AlephSquirrel
59
68ms
14 Apr 2023
Happy Numbers (Long)
m-tkach
56
37ms
23 Feb 2023
Happy Numbers (Long)
Haksell
557
38ms
22 Feb 2023
Happy Numbers (Long)
aksyristos
69
87ms
31 Jan 2023
Happy Numbers (Long)
DialFrost
65
81ms
28 Jan 2023
Happy Numbers (Long)
anter69
55
39ms
25 Jan 2023
Happy Numbers (Long)
retrohun
557
34ms
27 Dec 2022
Happy Numbers (Long)
jbbarth
58
40ms
5 Nov 2022
Happy Numbers (Long)
OhmNomNom
59
36ms
20 Oct 2022
Happy Numbers (Long)
jared-hughes
60
38ms
9 Sep 2022
Happy Numbers (Long)
annaproxy
64
64ms
27 Aug 2022
Happy Numbers (Long)
Lydxn
💎
43
108ms
21 Aug 2022
Happy Numbers (Long)
MeWhenI
54
40ms
16 Aug 2022
Happy Numbers (Long)
Andriamanitra
63
50ms
20 Jul 2022
Happy Numbers (Long)
yzhs
65
40ms
20 Jul 2022
Happy Numbers (Long)
KatieLG-Transpiler
557
34ms
24 Jun 2022
Happy Numbers (Long)
radarek
🥉
50
74ms
25 May 2022
Happy Numbers (Long)
lynn
55
69ms
25 May 2022
Happy Numbers (Long)
sisyphus-ppcg
🥉
50
92ms
6 May 2022
Happy Numbers (Long)
Irratix
64
37ms
4 Mar 2022
Happy Numbers (Long)
fynnkroeger
85
38ms
30 Jan 2022
Happy Numbers (Long)
akshatj27
56
37ms
11 Jan 2022
Happy Numbers (Long)
nwellnhof
53
73ms
26 Dec 2021
Happy Numbers (Long)
adoxography
60
39ms
18 Dec 2021
Happy Numbers (Long)
prplz
55
40ms
18 Dec 2021
Happy Numbers (Long)
emgordon154
58
38ms
12 Dec 2021
Happy Numbers (Long)
ninjawarrior1337
307
43ms
1 Dec 2021
Happy Numbers (Long)
jacobsmith
155
39ms
29 Oct 2021
Happy Numbers (Long)
pandapawskat
66
38ms
7 Oct 2021
Happy Numbers (Long)
JayXon
🥉
50
94ms
28 Sep 2021
Happy Numbers (Long)
Shanethegamer
57
99ms
27 Sep 2021
Happy Numbers (Long)
janlelis
🥉
50
104ms
20 Sep 2021
Happy Numbers (Long)
GrayJoKing
🥉
50
95ms
19 Sep 2021
Happy Numbers (Long)
olivermrose
60
85ms
19 Sep 2021
Happy Numbers (Long)
Waffle3z
58
92ms
19 Sep 2021
Happy Numbers (Long)
JRaspass
557
35ms
19 Sep 2021