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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 All Languages ><> 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 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal

Bytes Chars

Hole	Golfer	Bytes	Time	Submitted
Collatz	JayXon	🥈 74	2,567ms	7 days ago
Collatz	madex	79	2,274ms	20 days ago
Collatz	Steffan153	🥉 75	2,676ms	27 days ago
Collatz	KatieLG	2,171	2,213ms	30 Nov 2025
Collatz	aditsu	77	2,433ms	23 Nov 2025
Collatz	jkelly467	85	2,269ms	22 Oct 2025
Collatz	snoozingnewt	88	2,265ms	8 Oct 2025
Collatz	RobertHoeh	90	2,345ms	30 Sep 2025
Collatz	kmathis22	88	2,481ms	4 Sep 2025
Collatz	pardouin	💎 72	2,602ms	21 May 2025
Collatz	CosmicRaichu	88	2,465ms	18 Apr 2025
Collatz	Chinay-Domitrix	88	2,257ms	29 Mar 2025
Collatz	CaedenHarper	3,231	2,153ms	1 Feb 2025
Collatz	msbranicky	88	2,323ms	9 Jan 2025
Collatz	derekmc	88	2,477ms	25 Nov 2024
Collatz	madeforlosers	87	2,351ms	21 Nov 2024
Collatz	stefangimmillaro	79	2,312ms	28 Oct 2024
Collatz	emgordon154	79	2,276ms	27 Oct 2024
Collatz	Shanethegamer	80	2,412ms	27 Oct 2024
Collatz	duckyluuk	80	2,369ms	25 Oct 2024
Collatz	DialFrost	79	2,371ms	25 Oct 2024
Collatz	dokutan	87	2,282ms	24 Oct 2024
Collatz	MeWhenI	82	2,321ms	24 Oct 2024
Collatz	HumanoidCPU	104	2,426ms	24 Oct 2024
Collatz	ovs-code	80	2,362ms	23 Oct 2024
Collatz	sean-niemann	79	2,297ms	23 Oct 2024