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 Hilbert Curve 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 Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Hilbert Curve 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 Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 593rd rowboat1 901 74 10 Jun 2022 593rd inverseLorentz 🇦🇺 901 74 13 Jun 2022 593rd yzhs 🇩🇪 901 74 16 Jun 2022 593rd clementblaudeau 901 74 29 Jun 2022 593rd adoxography 901 74 13 Jul 2022 593rd Attero 🇸🇪 901 74 20 Jul 2022 593rd Heathcorp 🇦🇺 901 74 27 Jul 2022 593rd jfallon1997 901 74 11 Aug 2022 593rd VictorFordham 901 74 26 Aug 2022 593rd georgehulme 901 74 1 Sep 2022 593rd smartiel 901 74 15 Sep 2022 593rd trist224 🇫🇷 901 74 21 Sep 2022 593rd Kloppermand 🇩🇰 901 74 7 Oct 2022 593rd knutae 🇳🇴 901 74 9 Oct 2022 593rd Troon 901 74 14 Oct 2022 593rd MaxElf999 901 74 14 Oct 2022 593rd jakobkordez 🇸🇮 901 74 19 Oct 2022 593rd Fishron 901 74 29 Nov 2022 593rd SniperSmiley 🇺🇸 901 74 6 Dec 2022 593rd elephantpanda 901 74 10 Dec 2022 593rd ArthurBond 901 74 19 Dec 2022 593rd ItsMeNoobieboy 901 74 20 Dec 2022 593rd Larspolo 901 74 25 Dec 2022 593rd dcc5480 901 74 12 Jan 2023 593rd Ripick 901 74 1 Feb 2023 593rd m3nt0ras 🇬🇷 901 74 3 Feb 2023 593rd Skwerl23 901 74 5 Feb 2023 593rd frankgraziano 901 74 19 Feb 2023 593rd KenanHanke 901 74 21 Feb 2023 593rd DanielPeterssonAI 901 74 13 Mar 2023 593rd jiaminglimjm 🇲🇾 901 74 20 Mar 2023 593rd ejini6969 901 74 22 Mar 2023 593rd GulgDev 901 74 22 Mar 2023 593rd vrnprkh 901 74 30 Mar 2023 593rd RuyiLi 901 74 1 Apr 2023 593rd StardustGogeta 901 74 7 May 2023 593rd zbreit 🇺🇸 901 74 7 May 2023 593rd kyleclaassen 901 74 20 May 2023 593rd mbittner20 901 74 27 May 2023 593rd tweska 🇳🇱 901 74 5 Jun 2023 593rd rollershutter 901 74 7 Jul 2023 593rd 2011-Chan-Ethan 901 74 9 Jul 2023 593rd cros107 🇦🇺 901 74 11 Aug 2023 593rd yourlefthandman 901 74 16 Aug 2023 593rd daisyyedda 901 74 17 Aug 2023 593rd cesarm4 901 74 29 Aug 2023 593rd midnattssol 🇸🇪 901 74 22 Sep 2023 593rd snoozingnewt 🇺🇸 901 74 23 Sep 2023 593rd lambda-abstraction 901 74 21 Oct 2023 593rd levavft 901 74 26 Oct 2023 593rd Buecherfresser 901 74 22 Nov 2023 593rd anarconic 901 74 8 Dec 2023 593rd AntoineBlondon 901 74 11 Dec 2023 593rd kurkale6ka 901 74 20 Dec 2023 593rd Dataen 901 74 10 Jan 2024 593rd Anonymousellama21 901 74 14 Mar 2024 593rd Bmrl7 901 74 23 Mar 2024 593rd cefqrn 901 74 26 May 2024 593rd drochom 901 74 18 Jun 2024 593rd hiichbindermax 901 74 22 Jun 2024 593rd wuzekai518 901 74 9 Jul 2024 593rd madex 🇩🇪 901 74 9 Jul 2024 593rd cykim8811 901 74 11 Jul 2024 593rd imelxr 🇮🇱 901 74 17 Aug 2024 593rd EnTerr 901 74 25 Aug 2024 593rd Mabeloid 🇳🇴 901 74 1 Sep 2024 593rd madeforlosers 901 74 5 Sep 2024 593rd LostSyntax21 🇬🇧 901 74 10 Sep 2024 593rd Deedogg 901 74 11 Sep 2024 593rd MassimoParisi 901 74 18 Sep 2024 593rd lifthrasiir 🇰🇷 901 74 13 Nov 2024 593rd agreegious 901 74 17 Nov 2024 593rd Stockoh 🇫🇷 901 74 17 Nov 2024 593rd Andrey135296 901 74 24 Nov 2024 593rd TralfamadorianComedian 901 74 6 Dec 2024 Prev 601–675 of 3,361 Next