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 Topological Sort 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Topological Sort 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 600th zygoloid 901 94 5 Aug 2024 602nd TobyBoyne 🇬🇧 900 74 4 May 2022 602nd RDShah 900 74 6 May 2022 602nd Indivicivet 900 74 9 May 2022 602nd CedricGebistorf 900 74 9 May 2022 602nd ophact 900 74 11 May 2022 602nd ImpressedByRocks 900 74 17 May 2022 602nd LHuitre 900 74 2 Jun 2022 602nd neihousaigaai 900 74 8 Jun 2022 602nd rowboat1 900 74 10 Jun 2022 602nd inverseLorentz 🇦🇺 900 74 13 Jun 2022 602nd yzhs 🇩🇪 900 74 16 Jun 2022 602nd clementblaudeau 900 74 29 Jun 2022 602nd adoxography 900 74 13 Jul 2022 602nd Attero 🇸🇪 900 74 20 Jul 2022 602nd Heathcorp 🇦🇺 900 74 27 Jul 2022 602nd jfallon1997 900 74 11 Aug 2022 602nd VictorFordham 900 74 26 Aug 2022 602nd georgehulme 900 74 1 Sep 2022 602nd smartiel 900 74 15 Sep 2022 602nd trist224 🇫🇷 900 74 21 Sep 2022 602nd Kloppermand 🇩🇰 900 74 7 Oct 2022 602nd knutae 🇳🇴 900 74 9 Oct 2022 602nd Troon 900 74 14 Oct 2022 602nd MaxElf999 900 74 14 Oct 2022 602nd jakobkordez 🇸🇮 900 74 19 Oct 2022 602nd Fishron 900 74 29 Nov 2022 602nd SniperSmiley 🇺🇸 900 74 6 Dec 2022 602nd elephantpanda 900 74 10 Dec 2022 602nd ArthurBond 900 74 19 Dec 2022 602nd ItsMeNoobieboy 900 74 20 Dec 2022 602nd Larspolo 900 74 25 Dec 2022 602nd dcc5480 900 74 12 Jan 2023 602nd Ripick 900 74 1 Feb 2023 602nd m3nt0ras 🇬🇷 900 74 3 Feb 2023 602nd Skwerl23 900 74 5 Feb 2023 602nd frankgraziano 900 74 19 Feb 2023 602nd BREMAUCY 🇫🇷 900 74 20 Feb 2023 602nd KenanHanke 900 74 21 Feb 2023 602nd DanielPeterssonAI 900 74 13 Mar 2023 602nd jiaminglimjm 🇲🇾 900 74 20 Mar 2023 602nd ejini6969 900 74 22 Mar 2023 602nd GulgDev 900 74 22 Mar 2023 602nd vrnprkh 900 74 30 Mar 2023 602nd RuyiLi 900 74 1 Apr 2023 602nd StardustGogeta 900 74 7 May 2023 602nd zbreit 🇺🇸 900 74 7 May 2023 602nd kyleclaassen 900 74 20 May 2023 602nd mbittner20 900 74 27 May 2023 602nd tweska 🇳🇱 900 74 5 Jun 2023 602nd rollershutter 900 74 7 Jul 2023 602nd 2011-Chan-Ethan 900 74 9 Jul 2023 602nd cros107 900 74 11 Aug 2023 602nd yourlefthandman 900 74 16 Aug 2023 602nd daisyyedda 900 74 17 Aug 2023 602nd cesarm4 900 74 29 Aug 2023 602nd midnattssol 🇸🇪 900 74 22 Sep 2023 602nd snoozingnewt 🇺🇸 900 74 23 Sep 2023 602nd lambda-abstraction 900 74 21 Oct 2023 602nd levavft 900 74 26 Oct 2023 602nd Buecherfresser 900 74 22 Nov 2023 602nd anarconic 900 74 8 Dec 2023 602nd AntoineBlondon 900 74 11 Dec 2023 602nd kurkale6ka 900 74 20 Dec 2023 602nd Dataen 900 74 10 Jan 2024 602nd Anonymousellama21 900 74 14 Mar 2024 602nd Bmrl7 900 74 23 Mar 2024 602nd cefqrn 900 74 26 May 2024 602nd drochom 900 74 18 Jun 2024 602nd hiichbindermax 900 74 22 Jun 2024 602nd wuzekai518 900 74 9 Jul 2024 602nd madex 🇩🇪 900 74 9 Jul 2024 602nd cykim8811 900 74 11 Jul 2024 602nd imelxr 🇮🇱 900 74 17 Aug 2024 602nd EnTerr 900 74 25 Aug 2024 Prev 601–675 of 3,272 Next