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 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 Maze Medal Tally 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 75th MeWhenI 🇻🇦 958 38 4 Mar 2025 77th antimon2 🇯🇵 957 45 17 Nov 2024 78th primo-ppcg 🇹🇭 954 41 5 May 2022 79th akshatj27 🇦🇶 954 56 4 May 2022 79th didion0 🇺🇸 954 56 5 May 2022 79th NewDefectus 🇮🇱 954 56 6 May 2022 79th lynn 954 56 6 May 2022 79th uttumuttu 🇫🇮 954 56 24 May 2022 79th jared-hughes 954 56 6 Jul 2022 79th 051 🇸🇬 954 56 8 Aug 2022 79th BambooleanLogic 🇸🇪 954 56 12 Oct 2022 79th makinde 954 56 21 Oct 2022 79th DialFrost 🇸🇬 954 56 14 Nov 2022 79th AlephSquirrel 954 56 15 Feb 2023 79th dmrichwa 🇺🇸 954 56 10 Jul 2023 79th tayloia 🇬🇧 954 56 10 Jul 2023 79th Argeento 🇵🇱 954 56 25 Aug 2023 79th weliveinhell 🇭🇹 954 56 2 Oct 2023 79th coreynash 954 56 6 Oct 2023 79th dylanarmstrong 954 56 10 Dec 2023 79th two-bad 🇬🇧 954 56 23 Feb 2024 79th mehbark 954 56 27 Jul 2024 79th madeforlosers 954 56 4 Nov 2024 99th 2bular 951 32 17 Oct 2024 100th SirBogman 🇺🇸 951 50 5 May 2022 100th nwellnhof 🇩🇪 951 50 3 Jun 2022 100th Lydxn 🇨🇦 951 50 15 Aug 2022 100th bitsandbeyond 🇳🇱 951 50 9 Aug 2024 100th Steffan153 🇫🇮 951 50 9 Aug 2024 105th MichalMarsalek 🇨🇿 951 70 5 May 2022 105th primo-ppcg 🇹🇭 951 70 5 May 2022 105th SirBogman 🇺🇸 951 70 5 May 2022 105th prplz 🇦🇺 951 70 5 May 2022 105th Irratix 🇳🇱 951 70 7 May 2022 105th rak1507 🇬🇧 951 70 7 May 2022 105th inventshah 951 70 9 May 2022 105th k3w1k0d3r 951 70 22 Jun 2022 105th ZakkkkAttackkkk 🇵🇭 951 70 14 Jul 2022 105th Bonjour27891 🇻🇳 951 70 14 Jul 2022 105th OllieBoyne 🇬🇧 951 70 19 Jul 2022 105th bricknellj 951 70 25 Jul 2022 105th wen1now 951 70 8 Aug 2022 105th 051 🇸🇬 951 70 8 Aug 2022 105th Sp3000 🇦🇺 951 70 8 Aug 2022 105th betaveros 951 70 9 Aug 2022 105th shelerr 951 70 9 Sep 2022 105th stewSquared 🇺🇸 951 70 27 Sep 2022 105th orthoplex 🇨🇽 951 70 9 Oct 2022 105th 5quiwyrm 951 70 19 Oct 2022 105th myfatemi04 951 70 4 Nov 2022 105th kevinmchung 951 70 4 Nov 2022 105th FlorianCassayre 🇫🇷 951 70 7 Nov 2022 105th fourth-bit 951 70 29 Nov 2022 105th QuincyNash 🇺🇸 951 70 29 Nov 2022 105th aksyristos 951 70 25 Dec 2022 105th thizanne 951 70 27 Dec 2022 105th Alex-x90 🇺🇸 951 70 20 Jan 2023 105th bob-th 951 70 24 Jan 2023 105th SirFireball3521 951 70 25 Jan 2023 105th stefangimmillaro 951 70 6 Feb 2023 105th Seek64 🇩🇪 951 70 7 Feb 2023 105th FieryIceStickie 951 70 3 Apr 2023 105th MeWhenI 🇻🇦 951 70 30 Apr 2023 105th fgrosshans 🇫🇷 951 70 5 May 2023 105th Shanethegamer 🇺🇸 951 70 25 May 2023 105th InigoK 🇺🇸 951 70 14 Jun 2023 105th quimey 951 70 15 Jun 2023 105th CornerMercury 🇬🇧 951 70 19 Jun 2023 105th ndren 951 70 2 Aug 2023 105th bizy-coder 951 70 14 Aug 2023 105th janbehrens 🇩🇪 951 70 24 Nov 2023 105th namelessiw 951 70 9 Jan 2024 105th mathisfun271 951 70 13 Feb 2024 105th Just4FunCoder 951 70 17 Feb 2024 105th ThijsLuttikhuis 951 70 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