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 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 Mandelbrot 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 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 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 Mandelbrot 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 741st nkoppel 888 75 19 Oct 2022 741st AZ9tumas 888 75 23 Oct 2022 741st EthanGrant1 888 75 7 Nov 2022 741st Omega65536 🇩🇪 888 75 24 Nov 2022 741st b10011 🇫🇮 888 75 3 Jan 2023 741st 4ndyJ 🇬🇧 888 75 3 Jan 2023 741st randolchance 888 75 8 Jan 2023 741st LeeCamp 888 75 12 Jan 2023 741st hellwue 888 75 15 Feb 2023 741st nandanjp 888 75 29 Mar 2023 741st kaptsanovb 888 75 20 Apr 2023 741st galloj 🇨🇿 888 75 20 May 2023 741st jhu04 888 75 23 Jun 2023 741st HelloYuiYui 888 75 1 Nov 2023 741st tobyLovick 888 75 10 Nov 2023 741st VictorStenvers 🇳🇱 888 75 13 Nov 2023 741st RZ781 888 75 19 Nov 2023 741st mikehanus 888 75 21 Nov 2023 741st 1231234md5 🇨🇳 888 75 14 Dec 2023 741st Hebelub 888 75 6 Jan 2024 741st minhtrancccp 888 75 11 Jan 2024 741st 123mjb 888 75 25 Jan 2024 741st jbjd 888 75 25 Feb 2024 741st gabe-gallegos 888 75 2 May 2024 741st kejcao 🇨🇦 888 75 11 May 2024 741st f-tucker 888 75 24 May 2024 741st Florian-Mt 888 75 22 Jul 2024 741st codingisgreatbutiamnot 888 75 9 Aug 2024 741st Terobero 888 75 23 Aug 2024 741st abhishekg999 888 75 17 Sep 2024 741st RedzGoose 🇦🇺 888 75 7 Oct 2024 741st Clay-Goodling 888 75 8 Oct 2024 741st JunkIce 888 75 5 Mar 2025 784th c0d3-4-F00d 🇩🇪 888 132 6 May 2022 784th madeforlosers 888 132 26 Oct 2023 784th Blockyheadman 888 132 1 Nov 2023 784th SpiritAxolotl 🇺🇸 888 132 20 Mar 2024 788th canissimia 🇦🇶 888 204 25 Nov 2023 789th ovs-code 🇩🇪 887 151 9 Sep 2023 789th Yewzir 🇧🇪 887 151 21 May 2024 791st MeWhenI 🇻🇦 886 53 1 Jun 2022 791st stefangimmillaro 886 53 2 Oct 2022 791st Haksell 🇦🇶 886 53 22 Feb 2023 794th GolfingSuccess 🇬🇷 885 71 5 May 2022 794th emplv 🇱🇻 885 71 5 May 2022 794th JayXon 🇺🇸 885 71 7 May 2022 794th nwellnhof 🇩🇪 885 71 5 Jun 2022 794th stefangimmillaro 885 71 2 Jun 2023 794th catfish000 885 71 4 Oct 2023 794th kkoenig 885 71 21 Dec 2023 794th sean-niemann 🇺🇸 885 71 10 Jul 2024 794th masinag 🇮🇹 885 71 6 Oct 2024 794th KasperKivimaeki 🇫🇮 885 71 27 Mar 2025 804th m-tkach 🇺🇦 885 117 7 May 2022 804th Lydxn 🇨🇦 885 117 7 May 2022 806th janbehrens 🇩🇪 884 90 21 Apr 2023 806th Yewzir 🇧🇪 884 90 22 Apr 2023 806th DialFrost 🇸🇬 884 90 6 Nov 2023 806th Ripick 884 90 27 Nov 2024 810th jared-hughes 884 130 15 Dec 2024 811th m-tkach 🇺🇦 883 59 21 Jan 2024 811th GolfingSuccess 🇬🇷 883 59 20 Jan 2025 813th nipzu 883 94 17 May 2022 813th Natanaelel 🇸🇪 883 94 17 Jun 2022 813th nkoppel 883 94 19 Oct 2022 813th ovs-code 🇩🇪 883 94 21 Jun 2023 813th mousetail 🇳🇱 883 94 12 Jan 2024 818th m-tkach 🇺🇦 883 113 15 Jan 2025 819th Shanethegamer 🇺🇸 882 51 15 May 2023 820th Shanethegamer 🇺🇸 882 70 12 Dec 2022 820th Alessandro-Balconi 🇮🇹 882 70 26 Dec 2022 822nd primo-ppcg 🇹🇭 882 85 14 Jan 2025 822nd MeWhenI 🇻🇦 882 85 21 Apr 2025 824th Irratix 🇳🇱 882 96 4 May 2022 824th MeWhenI 🇻🇦 882 96 1 Jun 2022 Prev 751–825 of 3,081 Next
