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 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 732nd nandanjp 888 75 29 Mar 2023 732nd kaptsanovb 888 75 20 Apr 2023 732nd galloj 🇨🇿 888 75 20 May 2023 732nd jhu04 888 75 23 Jun 2023 732nd HelloYuiYui 888 75 1 Nov 2023 732nd tobyLovick 888 75 10 Nov 2023 732nd VictorStenvers 🇳🇱 888 75 13 Nov 2023 732nd RZ781 888 75 19 Nov 2023 732nd mikehanus 888 75 21 Nov 2023 732nd 1231234md5 🇨🇳 888 75 14 Dec 2023 732nd Hebelub 888 75 6 Jan 2024 732nd minhtrancccp 888 75 11 Jan 2024 732nd 123mjb 888 75 25 Jan 2024 732nd jbjd 888 75 25 Feb 2024 732nd gabe-gallegos 888 75 2 May 2024 732nd kejcao 🇨🇦 888 75 11 May 2024 732nd f-tucker 888 75 24 May 2024 732nd Florian-Mt 888 75 22 Jul 2024 732nd codingisgreatbutiamnot 888 75 9 Aug 2024 732nd Terobero 888 75 23 Aug 2024 732nd abhishekg999 888 75 17 Sep 2024 732nd RedzGoose 🇦🇺 888 75 7 Oct 2024 732nd Clay-Goodling 888 75 8 Oct 2024 732nd JunkIce 888 75 5 Mar 2025 775th canissimia 🇦🇶 888 204 25 Nov 2023 776th c0d3-4-F00d 🇩🇪 887 132 6 May 2022 776th madeforlosers 887 132 26 Oct 2023 776th Blockyheadman 887 132 1 Nov 2023 776th SpiritAxolotl 🇺🇸 887 132 20 Mar 2024 780th ovs-code 🇩🇪 887 151 9 Sep 2023 780th Yewzir 🇧🇪 887 151 21 May 2024 782nd MeWhenI 🇻🇦 886 53 1 Jun 2022 782nd stefangimmillaro 886 53 2 Oct 2022 782nd Haksell 🇦🇶 886 53 22 Feb 2023 785th m-tkach 🇺🇦 885 117 7 May 2022 785th Lydxn 🇨🇦 885 117 7 May 2022 787th GolfingSuccess 🇬🇷 884 71 5 May 2022 787th emplv 🇱🇻 884 71 5 May 2022 787th JayXon 🇺🇸 884 71 7 May 2022 787th nwellnhof 🇩🇪 884 71 5 Jun 2022 787th stefangimmillaro 884 71 2 Jun 2023 787th catfish000 884 71 4 Oct 2023 787th kkoenig 884 71 21 Dec 2023 787th sean-niemann 🇺🇸 884 71 10 Jul 2024 787th masinag 🇮🇹 884 71 6 Oct 2024 787th KasperKivimaeki 🇫🇮 884 71 27 Mar 2025 797th jared-hughes 884 130 15 Dec 2024 798th janbehrens 🇩🇪 883 90 21 Apr 2023 798th Yewzir 🇧🇪 883 90 22 Apr 2023 798th DialFrost 🇸🇬 883 90 6 Nov 2023 798th Ripick 883 90 27 Nov 2024 802nd m-tkach 🇺🇦 883 113 15 Jan 2025 803rd m-tkach 🇺🇦 882 59 21 Jan 2024 803rd GolfingSuccess 🇬🇷 882 59 20 Jan 2025 805th Shanethegamer 🇺🇸 882 70 12 Dec 2022 805th Alessandro-Balconi 🇮🇹 882 70 26 Dec 2022 807th primo-ppcg 🇹🇭 882 85 14 Jan 2025 807th MeWhenI 🇻🇦 882 85 21 Apr 2025 809th nipzu 882 94 17 May 2022 809th Natanaelel 🇸🇪 882 94 17 Jun 2022 809th nkoppel 882 94 19 Oct 2022 809th ovs-code 🇩🇪 882 94 21 Jun 2023 809th mousetail 🇳🇱 882 94 12 Jan 2024 809th sean-niemann 🇺🇸 882 94 13 Oct 2024 815th Irratix 🇳🇱 882 96 4 May 2022 815th MeWhenI 🇻🇦 882 96 1 Jun 2022 815th janbehrens 🇩🇪 882 96 21 Apr 2023 815th Shanethegamer 🇺🇸 882 96 15 May 2023 815th Yewzir 🇧🇪 882 96 11 Nov 2023 815th MateuszPietrzak 🇵🇱 882 96 18 Nov 2023 815th kkoenig 882 96 21 Dec 2023 815th sean-niemann 🇺🇸 882 96 10 Jul 2024 815th BlankSpruce 882 96 20 Aug 2024 824th Shanethegamer 🇺🇸 881 51 15 May 2023 825th GrayJoKing 🇦🇺 881 60 24 Oct 2024 Prev 751–825 of 3,050 Next
