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 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 721st Hebelub 888 75 6 Jan 2024 721st minhtrancccp 888 75 11 Jan 2024 721st 123mjb 888 75 25 Jan 2024 721st jbjd 888 75 25 Feb 2024 721st gabe-gallegos 888 75 2 May 2024 721st kejcao 🇨🇦 888 75 11 May 2024 721st f-tucker 888 75 24 May 2024 721st Florian-Mt 888 75 22 Jul 2024 721st codingisgreatbutiamnot 888 75 9 Aug 2024 721st Terobero 888 75 23 Aug 2024 721st abhishekg999 888 75 17 Sep 2024 721st RedzGoose 🇦🇺 888 75 7 Oct 2024 721st Clay-Goodling 888 75 8 Oct 2024 721st JunkIce 888 75 5 Mar 2025 765th stefangimmillaro 888 112 26 Sep 2023 765th kkoenig 888 112 4 Jan 2024 767th canissimia 🇦🇶 888 204 25 Nov 2023 768th c0d3-4-F00d 🇩🇪 887 132 6 May 2022 768th madeforlosers 887 132 26 Oct 2023 768th Blockyheadman 887 132 1 Nov 2023 768th SpiritAxolotl 🇺🇸 887 132 20 Mar 2024 772nd ovs-code 🇩🇪 887 151 9 Sep 2023 772nd Yewzir 🇧🇪 887 151 21 May 2024 774th MeWhenI 🇻🇦 886 53 1 Jun 2022 774th stefangimmillaro 886 53 2 Oct 2022 774th Haksell 🇦🇶 886 53 22 Feb 2023 777th m-tkach 🇺🇦 885 117 7 May 2022 777th Lydxn 🇨🇦 885 117 7 May 2022 779th GolfingSuccess 🇬🇷 884 71 5 May 2022 779th emplv 🇱🇻 884 71 5 May 2022 779th JayXon 🇺🇸 884 71 7 May 2022 779th nwellnhof 🇩🇪 884 71 5 Jun 2022 779th stefangimmillaro 884 71 2 Jun 2023 779th catfish000 884 71 4 Oct 2023 779th kkoenig 884 71 21 Dec 2023 779th sean-niemann 🇺🇸 884 71 10 Jul 2024 779th masinag 🇮🇹 884 71 6 Oct 2024 779th KasperKivimaeki 🇫🇮 884 71 27 Mar 2025 789th janbehrens 🇩🇪 883 90 21 Apr 2023 789th Yewzir 🇧🇪 883 90 22 Apr 2023 789th DialFrost 🇸🇬 883 90 6 Nov 2023 789th Ripick 883 90 27 Nov 2024 793rd m-tkach 🇺🇦 883 113 15 Jan 2025 794th m-tkach 🇺🇦 882 59 21 Jan 2024 794th GolfingSuccess 🇬🇷 882 59 20 Jan 2025 796th Shanethegamer 🇺🇸 882 70 12 Dec 2022 796th Alessandro-Balconi 🇮🇹 882 70 26 Dec 2022 798th primo-ppcg 🇹🇭 882 85 14 Jan 2025 798th MeWhenI 🇻🇦 882 85 10 days ago 800th nipzu 882 94 17 May 2022 800th Natanaelel 🇸🇪 882 94 17 Jun 2022 800th nkoppel 882 94 19 Oct 2022 800th ovs-code 🇩🇪 882 94 21 Jun 2023 800th mousetail 🇳🇱 882 94 12 Jan 2024 800th sean-niemann 🇺🇸 882 94 13 Oct 2024 806th Shanethegamer 🇺🇸 881 51 15 May 2023 807th GrayJoKing 🇦🇺 881 60 24 Oct 2024 808th ovs-code 🇩🇪 881 73 22 Jul 2023 809th steffan-polygolf 881 74 14 Feb 2024 810th Irratix 🇳🇱 881 96 4 May 2022 810th MeWhenI 🇻🇦 881 96 1 Jun 2022 810th janbehrens 🇩🇪 881 96 21 Apr 2023 810th Shanethegamer 🇺🇸 881 96 15 May 2023 810th Yewzir 🇧🇪 881 96 11 Nov 2023 810th MateuszPietrzak 🇵🇱 881 96 18 Nov 2023 810th kkoenig 881 96 21 Dec 2023 810th sean-niemann 🇺🇸 881 96 10 Jul 2024 810th BlankSpruce 881 96 20 Aug 2024 819th ravnskjaer 🇩🇰 881 133 11 Sep 2024 820th Shanethegamer 🇺🇸 881 152 9 Sep 2023 820th emgordon154 881 152 2 Oct 2024 820th DialFrost 🇸🇬 881 152 27 Oct 2024 823rd jared-hughes 879 130 15 Dec 2024 824th Grrisly 878 74 25 Mar 2024 825th GrayJoKing 🇦🇺 878 84 19 Jun 2022 Prev 751–825 of 2,998 Next
