All Holes 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 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 Maze Medal Tally 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 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal

Bytes Chars

Hole	Golfer	Bytes	Submitted
Collatz	sean-niemann	72	3 days ago
Collatz	CaedenHarper	3,247	24 Jan 2025
Collatz	Mabeloid	3,252	18 Sep 2024
Collatz	RedzGoose	96	9 Sep 2024
Collatz	dokutan	79	9 Aug 2024
Collatz	bac0id	82	29 Jun 2024
Collatz	HumanoidCPU	3,247	20 May 2024
Collatz	Yewzir	79	28 Mar 2024
Collatz	anoopsg	89	18 Nov 2023
Collatz	madeforlosers	104	26 Oct 2023
Collatz	snoozingnewt	104	11 Sep 2023
Collatz	raszpi	77	1 Sep 2023
Collatz	msbranicky	91	22 Aug 2023
Collatz	Alex-x90	83	2 Apr 2023
Collatz	StronkCheese	111	18 Feb 2023
Collatz	Betuaredead	80	5 Jan 2023
Collatz	retrohun	4,247	27 Dec 2022
Collatz	passsy	81	19 Nov 2022
Collatz	KrausRaus	79	10 Nov 2022
Collatz	ze-h	138	2 Nov 2022
Collatz	emplv	72	27 Oct 2022
Collatz	GrayJoKing	72	22 Oct 2022
Collatz	JayXon	🥇 70	17 Oct 2022
Collatz	Lydxn	🥇 70	17 Oct 2022
Collatz	MeWhenI	🥉 71	16 Oct 2022
Collatz	stefangimmillaro	🥉 71	16 Oct 2022
Collatz	m-tkach	72	16 Oct 2022
Collatz	Shanethegamer	🥉 71	15 Oct 2022
Collatz	Quijx	129	15 Oct 2022
Collatz	Steffan153	🥉 71	14 Oct 2022
Collatz	KatieLG	3,247	14 Oct 2022
Collatz	KatieLG-Transpiler	3,268	13 Oct 2022