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 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 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal

Bytes Chars

Hole	Golfer	Chars	Time	Submitted
Collatz	snoozingnewt	107	371ms	17 days ago
Collatz	albanian-laundromat	86	872ms	25 days ago
Collatz	kmathis22	123	464ms	5 Sep 2025
Collatz	dokutan	106	370ms	18 Apr 2025
Collatz	CaedenHarper	3,234	289ms	25 Jan 2025
Collatz	DialFrost	86	821ms	16 Nov 2024
Collatz	madeforlosers	169	362ms	7 Nov 2024
Collatz	Mabeloid	3,234	320ms	17 Sep 2024
Collatz	HumanoidCPU	1,633	324ms	6 May 2024
Collatz	kellantech	145	624ms	30 May 2023
Collatz	Lydxn	🥇 69	863ms	9 Apr 2023
Collatz	JayXon	🥇 69	868ms	5 Apr 2023
Collatz	StronkCheese	3,234	344ms	1 Feb 2023
Collatz	retrohun	3,234	339ms	27 Dec 2022
Collatz	MaxElf999	146	349ms	15 Dec 2022
Collatz	Steffan153	🥉 72	803ms	10 Dec 2022
Collatz	tamanugi	104	610ms	18 Nov 2022
Collatz	KatieLG-Transpiler	3,234	426ms	24 Jun 2022
Collatz	Shanethegamer	🥉 72	702ms	1 Jun 2022
Collatz	MeWhenI	99	678ms	1 Jun 2022
Collatz	GrayJoKing	🥉 72	850ms	31 May 2022
Collatz	sobbybutter	321	377ms	17 May 2022
Collatz	KatieLG	3,234	310ms	16 May 2022
Collatz	Waffle3z	3,234	308ms	15 May 2022
Collatz	JRaspass	3,234	420ms	15 May 2022