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 Mandelbrot 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 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 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 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 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 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 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 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 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 897th Z-snails 877 66 27 Feb 2023 897th Jeremy-Stafford 877 66 27 Feb 2023 897th alomiF 877 66 1 Sep 2023 897th btnlq 877 66 17 Oct 2023 905th c0d3-4-F00d 🇩🇪 876 61 6 May 2022 905th jackkav 876 61 26 Jun 2022 905th TechNolaByte 876 61 6 Jul 2022 905th Heathcorp 🇦🇺 876 61 17 Jul 2022 905th C0de5mith 🇺🇸 876 61 3 Aug 2022 905th sebipopa 🇷🇴 876 61 18 Aug 2022 905th moikaturns 🇬🇧 876 61 25 Sep 2022 905th FlorianCassayre 🇫🇷 876 61 27 Sep 2022 905th Mazn3k 876 61 1 Feb 2023 905th tvcv901 876 61 22 Mar 2023 905th unfinishedprogram 876 61 19 Jul 2023 905th snoozingnewt 🇺🇸 876 61 23 Sep 2023 905th funnyboy-roks 876 61 9 May 2024 905th bac0id 876 61 29 Jun 2024 905th madex 🇩🇪 876 61 9 Jul 2024 905th cdesodt 876 61 10 Oct 2024 905th RobertHoeh 876 61 5 Apr 2025 905th kirjavascript 876 61 4 May 2025 905th LvLError 876 61 29 May 2025 905th Lv0Sys 🇵🇱 876 61 30 May 2025 905th Protothor 876 61 30 May 2025 926th johnnythedoggie 876 72 13 May 2022 927th guilhem-roy 🇫🇷 876 76 5 May 2022 927th NewDefectus 🇮🇱 876 76 6 May 2022 927th CuboidRaptor 🇨🇦 876 76 25 May 2022 927th TheSmilingTurtle 876 76 5 Jun 2022 927th Romain-1 🇫🇷 876 76 8 Jun 2022 927th jhpaques 🇫🇷 876 76 30 Jul 2022 927th chriscianfarani 876 76 10 Aug 2022 927th eshilo-draper 876 76 13 Sep 2022 927th suwat513 876 76 22 Sep 2022 927th Jaydosu 876 76 14 Nov 2022 927th tails618 876 76 2 Dec 2022 927th KevinLyvers 876 76 17 Dec 2022 927th nayakrujul 876 76 3 Jan 2023 927th CheeseCake628 🇳🇴 876 76 8 Jan 2023 927th CatsAreFluffy 876 76 18 Feb 2023 927th adamnielson42 🇺🇸 876 76 1 Mar 2023 927th Schreipfelerer 876 76 9 Apr 2023 927th hm5822 876 76 22 Apr 2023 927th celiendonze 🇨🇭 876 76 5 Jul 2023 927th brochmann 🇸🇪 876 76 13 Aug 2023 927th Command-Master 876 76 2 Oct 2023 927th chartung17 876 76 17 Dec 2023 927th smokestacklightnin 🇺🇸 876 76 10 Jan 2024 927th NickTheEASDude 🇺🇸 876 76 26 Jan 2024 927th yuchuehw 876 76 2 Feb 2024 927th Azearia 876 76 26 Feb 2024 927th tpasfieldERAU 876 76 18 May 2024 927th khavik 876 76 29 May 2024 927th Ythaenagor 876 76 5 Aug 2024 927th martion2007 876 76 9 Aug 2024 927th sjrct 876 76 10 Aug 2024 927th Mathrew2012 876 76 9 Nov 2024 927th kawrei 876 76 4 May 2025 960th althryenix 875 134 25 Jul 2022 960th MrGagnonHPS 875 134 1 Nov 2023 960th noescareno 875 134 31 May 2025 963rd nwellnhof 🇩🇪 874 53 4 May 2022 963rd GrayJoKing 🇦🇺 874 53 6 May 2022 965th c0d3-4-F00d 🇩🇪 874 89 5 May 2022 965th fkantelberg 874 89 15 Jul 2023 965th TRexOnGit 874 89 16 Feb 2024 965th arcpolaris 874 89 18 Nov 2024 969th Grrisly 874 114 25 Mar 2024 970th AlephSquirrel 873 80 20 Apr 2023 970th ashtraypettingzoo 🇺🇸 873 80 1 Apr 2024 972nd inventshah 873 97 6 May 2022 972nd roupiq 🇵🇱 873 97 22 Nov 2023 974th MeWhenI 🇻🇦 873 207 21 Apr 2025 975th Irratix 🇳🇱 872 72 4 May 2022 Prev 901–975 of 3,169 Next
