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 Minesweeper 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 Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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	Bytes	Time	Submitted
Collatz	jkelly467	85	2,136ms	22 Oct 2025
Collatz	snoozingnewt	88	3,651ms	8 Oct 2025
Collatz	RobertHoeh	90	3,089ms	30 Sep 2025
Collatz	kmathis22	88	3,561ms	4 Sep 2025
Collatz	pardouin	💎 72	3,105ms	21 May 2025
Collatz	CosmicRaichu	88	2,079ms	18 Apr 2025
Collatz	Chinay-Domitrix	88	3,055ms	29 Mar 2025
Collatz	CaedenHarper	3,231	2,764ms	1 Feb 2025
Collatz	msbranicky	88	2,812ms	9 Jan 2025
Collatz	derekmc	88	2,988ms	25 Nov 2024
Collatz	madeforlosers	87	2,916ms	21 Nov 2024
Collatz	JayXon	🥈 74	3,078ms	14 Nov 2024
Collatz	stefangimmillaro	🥉 79	3,017ms	28 Oct 2024
Collatz	KatieLG	3,231	2,663ms	27 Oct 2024
Collatz	emgordon154	🥉 79	3,257ms	27 Oct 2024
Collatz	Shanethegamer	80	3,064ms	27 Oct 2024
Collatz	duckyluuk	80	3,264ms	25 Oct 2024
Collatz	DialFrost	🥉 79	2,077ms	25 Oct 2024
Collatz	dokutan	87	2,982ms	24 Oct 2024
Collatz	MeWhenI	82	2,869ms	24 Oct 2024
Collatz	HumanoidCPU	104	3,071ms	24 Oct 2024
Collatz	ovs-code	80	2,885ms	23 Oct 2024
Collatz	sean-niemann	🥉 79	2,985ms	23 Oct 2024