Collatz in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Scoring Bytes Chars Language All ><> 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 Experimental Language 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 Hole All 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 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 809th georgehulme 875 74 23ms 1 Sep 2022 809th smartiel 875 74 19ms 15 Sep 2022 809th trist224 🇫🇷 875 74 19ms 21 Sep 2022 809th Kloppermand 🇩🇰 875 74 19ms 7 Oct 2022 809th knutae 🇳🇴 875 74 19ms 9 Oct 2022 809th Troon 875 74 18ms 14 Oct 2022 809th MaxElf999 875 74 19ms 14 Oct 2022 809th jakobkordez 🇸🇮 875 74 21ms 19 Oct 2022 809th Fishron 875 74 21ms 29 Nov 2022 809th SniperSmiley 🇺🇸 875 74 18ms 6 Dec 2022 809th elephantpanda 875 74 19ms 10 Dec 2022 809th ArthurBond 875 74 19ms 19 Dec 2022 809th ItsMeNoobieboy 875 74 24ms 20 Dec 2022 809th Larspolo 875 74 20ms 25 Dec 2022 809th dcc5480 875 74 18ms 12 Jan 2023 809th Ripick 875 74 20ms 1 Feb 2023 809th m3nt0ras 🇬🇷 875 74 19ms 3 Feb 2023 809th Skwerl23 875 74 18ms 5 Feb 2023 809th frankgraziano 875 74 19ms 19 Feb 2023 809th KenanHanke 875 74 19ms 21 Feb 2023 809th DanielPeterssonAI 875 74 18ms 13 Mar 2023 809th jiaminglimjm 🇲🇾 875 74 21ms 20 Mar 2023 809th ejini6969 875 74 21ms 22 Mar 2023 809th GulgDev 875 74 20ms 22 Mar 2023 809th vrnprkh 875 74 19ms 30 Mar 2023 809th RuyiLi 875 74 18ms 1 Apr 2023 809th StardustGogeta 875 74 21ms 7 May 2023 809th zbreit 🇺🇸 875 74 21ms 7 May 2023 809th kyleclaassen 875 74 19ms 20 May 2023 809th mbittner20 875 74 18ms 27 May 2023 809th tweska 🇳🇱 875 74 18ms 5 Jun 2023 809th rollershutter 875 74 21ms 7 Jul 2023 809th 2011-Chan-Ethan 875 74 19ms 9 Jul 2023 809th cros107 🇦🇺 875 74 20ms 11 Aug 2023 809th yourlefthandman 875 74 18ms 16 Aug 2023 809th daisyyedda 875 74 19ms 17 Aug 2023 809th cesarm4 875 74 19ms 29 Aug 2023 809th midnattssol 🇸🇪 875 74 18ms 22 Sep 2023 809th snoozingnewt 🇺🇸 875 74 20ms 23 Sep 2023 809th lambda-abstraction 875 74 24ms 21 Oct 2023 809th levavft 875 74 19ms 26 Oct 2023 809th Buecherfresser 875 74 18ms 22 Nov 2023 809th anarconic 875 74 52ms 8 Dec 2023 809th azure-blondon 875 74 19ms 11 Dec 2023 809th kurkale6ka 875 74 20ms 20 Dec 2023 809th Dataen 875 74 19ms 10 Jan 2024 809th Anonymousellama21 875 74 21ms 14 Mar 2024 809th Bmrl7 875 74 20ms 23 Mar 2024 809th cefqrn 875 74 19ms 26 May 2024 809th drochom 875 74 18ms 18 Jun 2024 809th hiichbindermax 875 74 19ms 22 Jun 2024 809th wuzekai518 875 74 23ms 9 Jul 2024 809th madex 🇩🇪 875 74 18ms 9 Jul 2024 809th cykim8811 875 74 45ms 11 Jul 2024 809th imelxr 🇮🇱 875 74 23ms 17 Aug 2024 809th EnTerr 875 74 20ms 25 Aug 2024 809th Mabeloid 🇳🇴 875 74 18ms 1 Sep 2024 809th madeforlosers 875 74 19ms 5 Sep 2024 809th LostSyntax21 🇬🇧 875 74 19ms 10 Sep 2024 809th Deedogg 875 74 19ms 11 Sep 2024 809th MassimoParisi 875 74 18ms 18 Sep 2024 809th lifthrasiir 🇰🇷 875 74 18ms 13 Nov 2024 809th agreegious 875 74 20ms 17 Nov 2024 809th Stockoh 🇫🇷 875 74 26ms 17 Nov 2024 809th Andrey135296 875 74 20ms 24 Nov 2024 809th TralfamadorianComedian 875 74 18ms 6 Dec 2024 809th bltnppcnt 875 74 33ms 3 Jan 2025 809th ZorblaxV 875 74 19ms 12 Jan 2025 809th yokasuretsu 875 74 19ms 13 Jan 2025 809th Artemis21 🇬🇧 875 74 19ms 17 Jan 2025 809th gdpr777 875 74 40ms 10 Feb 2025 809th Pyroan 875 74 19ms 27 Mar 2025 809th Squimbletin 875 74 19ms 19 Apr 2025 809th Kowalskiexe 🇵🇱 875 74 20ms 19 Apr 2025 809th Dandandooo 875 74 19ms 23 Apr 2025 First Prev 826–900 of 3,464 Next Last
