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 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 Gray Code Decoder Gray Code Encoder 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	Bytes	Time	Submitted
Collatz	error256	🥉 81	30ms	2 days ago
Collatz	Steffan153	💎 79	21ms	2 days ago
Collatz	emgordon154	89	19ms	10 days ago
Collatz	kg583	🥈 80	18ms	10 days ago
Collatz	DialFrost	84	17ms	1 Jan 2026
Collatz	kmathis22	99	16ms	13 Nov 2025
Collatz	snoozingnewt	100	15ms	5 Oct 2025
Collatz	ZoDoneRightNow	97	17ms	25 Sep 2025
Collatz	vgamula	94	28ms	16 Jul 2025
Collatz	CaedenHarper	3,234	7ms	24 Jan 2025
Collatz	edsrzf	82	17ms	6 Jan 2025
Collatz	FortuiteMan	100	14ms	10 Oct 2024
Collatz	Mabeloid	3,234	6ms	17 Sep 2024
Collatz	madeforlosers	100	15ms	5 Sep 2024
Collatz	KatieLG-Transpiler	3,234	5ms	16 Aug 2024
Collatz	madex	100	15ms	9 Jul 2024
Collatz	dokutan	90	21ms	19 May 2024
Collatz	HumanoidCPU	3,234	6ms	3 May 2024
Collatz	Maximizer02	98	18ms	18 Apr 2024
Collatz	steffan-polygolf	111	70ms	20 Feb 2024
Collatz	Heathcorp	100	15ms	31 Jan 2024
Collatz	kurkale6ka	3,234	6ms	3 Jan 2024
Collatz	Kaffeleif	99	16ms	27 Dec 2023
Collatz	msbranicky	108	19ms	24 Dec 2023
Collatz	Shanethegamer	82	18ms	19 Dec 2023
Collatz	MeWhenI	109	73ms	13 Dec 2023
Collatz	KatieLG	3,234	5ms	11 Dec 2023
Collatz	ovs-code	85	14ms	11 Dec 2023