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) 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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	Chars	Time	Submitted
Collatz	jusaka	11,225	227ms	22 hours ago
Collatz	kasarino	101	42ms	7 days ago
Collatz	MeWhenI	84	38ms	30 Dec 2025
Collatz	DialFrost	86	43ms	30 Dec 2025
Collatz	snoozingnewt	101	39ms	8 Oct 2025
Collatz	kmathis22	138	38ms	11 Sep 2025
Collatz	albanian-laundromat	85	40ms	25 Aug 2025
Collatz	HumanoidCPU	5,225	124ms	9 Mar 2025
Collatz	CaedenHarper	5,226	138ms	22 Jan 2025
Collatz	madeforlosers	96	39ms	21 Nov 2024
Collatz	KatieLG	4,240	38ms	30 Sep 2024
Collatz	sean-niemann	🥈 82	42ms	12 Jul 2024
Collatz	dokutan	88	39ms	9 Jun 2024
Collatz	NickTheEASDude	93	39ms	20 May 2024
Collatz	mrmena	94	40ms	11 May 2024
Collatz	msbranicky	130	37ms	21 Sep 2023
Collatz	Shanethegamer	85	38ms	15 May 2023
Collatz	386asm	86	40ms	9 Apr 2023
Collatz	Lydxn	💎 81	39ms	1 Apr 2023
Collatz	Steffan153	🥈 82	42ms	1 Apr 2023
Collatz	Yewzir	97	40ms	19 Feb 2023
Collatz	retrohun	6,225	120ms	27 Dec 2022
Collatz	KatieLG-Transpiler	4,253	38ms	27 Nov 2022
Collatz	elephantpanda	121	36ms	10 Aug 2022
Collatz	primo-ppcg	84	36ms	29 Jun 2022
Collatz	GrayJoKing	84	35ms	19 Jun 2022
Collatz	JRaspass	120	37ms	13 Jun 2022