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 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 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 Colors (Inverse) 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 Semiprime Numbers Snake Sphenic Numbers 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 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	emgordon154	92	5 days ago
Collatz	jipsong	89	7 Apr 2025
Collatz	kevinnaviapaiva	163	6 Mar 2025
Collatz	CaedenHarper	3,258	24 Jan 2025
Collatz	Ripick	90	27 Nov 2024
Collatz	madeforlosers	107	7 Nov 2024
Collatz	Mabeloid	3,264	17 Sep 2024
Collatz	dokutan	99	28 Aug 2024
Collatz	ovs-code	89	24 Jul 2024
Collatz	sean-niemann	🥇 87	11 Jul 2024
Collatz	HumanoidCPU	3,257	27 Jun 2024
Collatz	DialFrost	90	6 Nov 2023
Collatz	wearsunscreen	111	19 Oct 2023
Collatz	msbranicky	117	13 Sep 2023
Collatz	snoozingnewt	121	11 Sep 2023
Collatz	GrayJoKing	🥇 87	11 Aug 2023
Collatz	Lydxn	🥇 87	16 May 2023
Collatz	Steffan153	🥇 87	16 May 2023
Collatz	JayXon	🥇 87	15 May 2023
Collatz	Shanethegamer	🥇 87	15 May 2023
Collatz	Yewzir	90	22 Apr 2023
Collatz	janbehrens	90	21 Apr 2023
Collatz	Betuaredead	92	5 Jan 2023
Collatz	retrohun	3,267	27 Dec 2022
Collatz	MeWhenI	92	10 Oct 2022
Collatz	KatieLG-Transpiler	4,282	24 Jun 2022
Collatz	KatieLG	4,256	4 May 2022