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ALGOL 68
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brainfuck
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Crystal
D
Dart
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iogii
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V
VimL
Wren
Zig
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05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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All
12 Days of Christmas
24 Game
99 Bottles of Beer
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
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
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
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
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
Hole
Golfer
Bytes
Time
Submitted
Happy Numbers (Long)
kumavale
🥇
106
141ms
19 days ago
Happy Numbers (Long)
JayXon
🥇
106
144ms
19 days ago
Happy Numbers (Long)
FreeFull
134
137ms
22 days ago
Happy Numbers (Long)
Haksell
572
140ms
30 May 2026
Happy Numbers (Long)
madex
157
142ms
7 May 2026
Happy Numbers (Long)
vang1ong7ang
110
154ms
26 Apr 2026
Happy Numbers (Long)
fantaize
316
139ms
10 Mar 2026
Happy Numbers (Long)
elgan65536
122
137ms
7 Feb 2026
Happy Numbers (Long)
ian-h-chamberlain
127
145ms
4 Dec 2025
Happy Numbers (Long)
CaedenHarper
122
129ms
1 Dec 2025
Happy Numbers (Long)
KatieLG
585
249ms
30 Nov 2025
Happy Numbers (Long)
webmiche
145
146ms
3 Nov 2025
Happy Numbers (Long)
Mabeloid
122
137ms
31 Oct 2025
Happy Numbers (Long)
acotis
🥉
109
137ms
28 Oct 2025
Happy Numbers (Long)
snoozingnewt
136
154ms
29 Sep 2025
Happy Numbers (Long)
dokutan
322
137ms
23 Jul 2025
Happy Numbers (Long)
Natanaelel
115
153ms
23 Jul 2025
Happy Numbers (Long)
DialFrost
129
180ms
5 Apr 2025
Happy Numbers (Long)
emgordon154
120
139ms
14 Mar 2025
Happy Numbers (Long)
The3gs
117
151ms
29 Nov 2024
Happy Numbers (Long)
HumanoidCPU
572
128ms
9 May 2024
Happy Numbers (Long)
Yewzir
118
131ms
5 Feb 2024
Happy Numbers (Long)
mousetail
119
144ms
15 Jan 2024
Happy Numbers (Long)
stefangimmillaro
114
142ms
19 Oct 2023
Happy Numbers (Long)
msbranicky
156
145ms
1 Oct 2023
Happy Numbers (Long)
ovs-code
119
143ms
23 Jun 2023
Happy Numbers (Long)
Re-Adventures
124
145ms
22 Jun 2023
Happy Numbers (Long)
klixel
143
144ms
11 May 2023
Happy Numbers (Long)
MeWhenI
120
128ms
9 May 2023
Happy Numbers (Long)
retrohun
572
118ms
27 Dec 2022
Happy Numbers (Long)
jared-hughes
124
146ms
10 Nov 2022
Happy Numbers (Long)
andersk
121
134ms
31 Oct 2022
Happy Numbers (Long)
r-brinke
🥉
109
140ms
29 Jul 2022
Happy Numbers (Long)
KatieLG-Transpiler
717
119ms
24 Jun 2022
Happy Numbers (Long)
Lydxn
🥉
109
139ms
23 May 2022
Happy Numbers (Long)
scpchicken
137
166ms
19 May 2022
Happy Numbers (Long)
verticallity
172
146ms
6 Apr 2022
Happy Numbers (Long)
lynn
119
157ms
10 Mar 2022
Happy Numbers (Long)
JGDoerrer
148
134ms
5 Feb 2022
Happy Numbers (Long)
Shanethegamer
120
136ms
13 Jan 2022