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12 Days of Christmas
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λ
π
τ
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√2
𝑒
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ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
iogii
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
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
ZuzuScript
Hole
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
Christmas Trees
edsrzf
🥉
127
332ms
26 Feb 2026
Christmas Trees
albanian-laundromat
142
455ms
4 Dec 2025
Christmas Trees
KatieLG
360
352ms
30 Nov 2025
Christmas Trees
CaedenHarper
149
358ms
12 Nov 2025
Christmas Trees
kkoenig
140
347ms
8 Sep 2025
Christmas Trees
targrik
152
299ms
10 Jul 2025
Christmas Trees
0xjac
149
345ms
9 Jun 2025
Christmas Trees
HumanoidCPU
592
323ms
26 Aug 2024
Christmas Trees
dokutan
162
367ms
30 Jul 2024
Christmas Trees
ClayBenson94
182
322ms
15 May 2024
Christmas Trees
sean-niemann
137
329ms
6 May 2024
Christmas Trees
bzijlema
133
354ms
29 Jan 2024
Christmas Trees
xbxbxb007
205
327ms
10 Jan 2024
Christmas Trees
Yewzir
151
335ms
3 Jan 2024
Christmas Trees
JayXon
🥇
125
321ms
15 Nov 2023
Christmas Trees
hotmanga
205
324ms
17 Oct 2023
Christmas Trees
stefangimmillaro
143
325ms
14 Sep 2023
Christmas Trees
Shanethegamer
592
317ms
13 Sep 2023
Christmas Trees
msbranicky
152
333ms
31 Aug 2023
Christmas Trees
HassanAliKadhem
174
333ms
2 Aug 2023
Christmas Trees
eli-siegel
284
315ms
22 Jun 2023
Christmas Trees
MeWhenI
143
317ms
8 Feb 2023
Christmas Trees
kimbo
215
317ms
1 Jan 2023
Christmas Trees
retrohun
651
310ms
27 Dec 2022
Christmas Trees
KatieLG-Transpiler
594
308ms
24 Jun 2022
Christmas Trees
Joe-V2
906
327ms
19 Apr 2022
Christmas Trees
nikolay
261
316ms
5 Jan 2022
Christmas Trees
ibeucaly
138
302ms
26 Nov 2021
Christmas Trees
janbehrens
163
300ms
19 Jun 2021
Christmas Trees
PoseidonCoder
191
321ms
14 Dec 2020
Christmas Trees
nwellnhof
🥇
125
323ms
24 Sep 2020
Christmas Trees
JRaspass
592
311ms
15 Jul 2020
Christmas Trees
cduerm
180
327ms
1 May 2020
Christmas Trees
unkiwii
223
327ms
24 Apr 2020
Christmas Trees
MahlerFive
146
334ms
24 Apr 2020
Christmas Trees
tsakath
154
326ms
22 Apr 2020
Christmas Trees
yzzyx
154
336ms
21 Apr 2020
Christmas Trees
lukechampine
149
315ms
19 Apr 2020
Christmas Trees
primo-ppcg
133
335ms
17 Apr 2020
Christmas Trees
ksthiele
414
327ms
16 Apr 2020
Christmas Trees
mogensen
154
336ms
16 Apr 2020
Christmas Trees
jerrandolph
175
322ms
16 Apr 2020