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 825th MeWhenI 🇻🇦 881 96 1 Jun 2022 825th janbehrens 🇩🇪 881 96 21 Apr 2023 825th Shanethegamer 🇺🇸 881 96 15 May 2023 825th Yewzir 881 96 11 Nov 2023 825th MateuszPietrzak 🇵🇱 881 96 18 Nov 2023 825th kkoenig 881 96 21 Dec 2023 825th sean-niemann 🇺🇸 881 96 10 Jul 2024 825th BlankSpruce 881 96 20 Aug 2024 834th ravnskjaer 🇩🇰 881 133 11 Sep 2024 835th Shanethegamer 🇺🇸 881 152 9 Sep 2023 835th emgordon154 881 152 2 Oct 2024 835th DialFrost 🇸🇬 881 152 27 Oct 2024 838th TaserTheFox 🇺🇸 880 54 31 May 2023 839th jared-hughes 879 130 15 Dec 2024 840th GrayJoKing 🇦🇺 878 84 19 Jun 2022 840th primo-ppcg 🇹🇭 878 84 29 Jun 2022 842nd Shanethegamer 🇺🇸 877 66 4 May 2022 842nd scpchicken 🇵🇼 877 66 5 May 2022 842nd sisyphus-ppcg 🇦🇺 877 66 6 May 2022 842nd Natanaelel 🇸🇪 877 66 15 Jun 2022 842nd Z-snails 877 66 27 Feb 2023 842nd Jeremy-Stafford 877 66 27 Feb 2023 842nd alomiF 877 66 1 Sep 2023 842nd btnlq 877 66 17 Oct 2023 842nd tobeannouncd 877 66 11 Jan 2024 842nd sean-niemann 🇺🇸 877 66 9 Jan 2025 852nd Grrisly 877 74 25 Mar 2024 853rd c0d3-4-F00d 🇩🇪 876 61 6 May 2022 853rd jackkav 876 61 26 Jun 2022 853rd TechNolaByte 876 61 6 Jul 2022 853rd Heathcorp 🇦🇺 876 61 17 Jul 2022 853rd C0de5mith 🇺🇸 876 61 3 Aug 2022 853rd sebipopa 🇷🇴 876 61 18 Aug 2022 853rd moikaturns 🇬🇧 876 61 25 Sep 2022 853rd FlorianCassayre 🇫🇷 876 61 27 Sep 2022 853rd Mazn3k 876 61 1 Feb 2023 853rd tvcv901 876 61 22 Mar 2023 853rd unfinishedprogram 876 61 19 Jul 2023 853rd snoozingnewt 🇺🇸 876 61 23 Sep 2023 853rd funnyboy-roks 876 61 9 May 2024 853rd bac0id 876 61 29 Jun 2024 853rd madex 🇩🇪 876 61 9 Jul 2024 853rd cdesodt 876 61 10 Oct 2024 869th johnnythedoggie 876 72 13 May 2022 870th guilhem-roy 🇫🇷 876 76 5 May 2022 870th NewDefectus 🇮🇱 876 76 6 May 2022 870th CuboidRaptor 🇨🇦 876 76 25 May 2022 870th TheSmilingTurtle 876 76 5 Jun 2022 870th Romain-1 🇫🇷 876 76 8 Jun 2022 870th jhpaques 🇫🇷 876 76 30 Jul 2022 870th chriscianfarani 876 76 10 Aug 2022 870th eshilo-draper 876 76 13 Sep 2022 870th suwat513 876 76 22 Sep 2022 870th Jaydosu 876 76 14 Nov 2022 870th tails618 876 76 2 Dec 2022 870th KevinLyvers 876 76 17 Dec 2022 870th nayakrujul 876 76 3 Jan 2023 870th CheeseCake628 🇳🇴 876 76 8 Jan 2023 870th CatsAreFluffy 876 76 18 Feb 2023 870th adamnielson42 🇺🇸 876 76 1 Mar 2023 870th Schreipfelerer 876 76 9 Apr 2023 870th hm5822 876 76 22 Apr 2023 870th celiendonze 🇨🇭 876 76 5 Jul 2023 870th brochmann 🇸🇪 876 76 13 Aug 2023 870th Command-Master 876 76 2 Oct 2023 870th chartung17 876 76 17 Dec 2023 870th tobeannouncd 876 76 5 Jan 2024 870th smokestacklightnin 🇺🇸 876 76 10 Jan 2024 870th NickTheEASDude 🇺🇸 876 76 26 Jan 2024 870th yuchuehw 876 76 2 Feb 2024 870th Azearia 876 76 26 Feb 2024 870th tpasfieldERAU 876 76 18 May 2024 870th khavik 876 76 29 May 2024 870th Ythaenagor 876 76 5 Aug 2024 870th martion2007 876 76 9 Aug 2024 Prev 826–900 of 2,904 Next