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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 585th VictorFordham 900 74 26 Aug 2022 585th georgehulme 900 74 1 Sep 2022 585th smartiel 900 74 15 Sep 2022 585th trist224 🇫🇷 900 74 21 Sep 2022 585th Kloppermand 🇩🇰 900 74 7 Oct 2022 585th knutae 🇳🇴 900 74 9 Oct 2022 585th Troon 900 74 14 Oct 2022 585th MaxElf999 900 74 14 Oct 2022 585th jakobkordez 🇸🇮 900 74 19 Oct 2022 585th Fishron 900 74 29 Nov 2022 585th SniperSmiley 🇺🇸 900 74 6 Dec 2022 585th elephantpanda 900 74 10 Dec 2022 585th ArthurBond 900 74 19 Dec 2022 585th ItsMeNoobieboy 900 74 20 Dec 2022 585th Larspolo 900 74 25 Dec 2022 585th dcc5480 900 74 12 Jan 2023 585th Ripick 900 74 1 Feb 2023 585th m3nt0ras 🇬🇷 900 74 3 Feb 2023 585th Skwerl23 900 74 5 Feb 2023 585th frankgraziano 900 74 19 Feb 2023 585th BREMAUCY 🇫🇷 900 74 20 Feb 2023 585th KenanHanke 900 74 21 Feb 2023 585th DanielPeterssonAI 900 74 13 Mar 2023 585th jiaminglimjm 🇲🇾 900 74 20 Mar 2023 585th ejini6969 900 74 22 Mar 2023 585th GulgDev 900 74 22 Mar 2023 585th vrnprkh 900 74 30 Mar 2023 585th RuyiLi 900 74 1 Apr 2023 585th StardustGogeta 900 74 7 May 2023 585th zbreit 🇺🇸 900 74 7 May 2023 585th kyleclaassen 900 74 20 May 2023 585th mbittner20 900 74 27 May 2023 585th tweska 🇳🇱 900 74 5 Jun 2023 585th rollershutter 900 74 7 Jul 2023 585th 2011-Chan-Ethan 900 74 9 Jul 2023 585th cros107 900 74 11 Aug 2023 585th yourlefthandman 900 74 16 Aug 2023 585th daisyyedda 900 74 17 Aug 2023 585th cesarm4 900 74 29 Aug 2023 585th midnattssol 🇸🇪 900 74 22 Sep 2023 585th snoozingnewt 🇺🇸 900 74 23 Sep 2023 585th lambda-abstraction 900 74 21 Oct 2023 585th levavft 900 74 26 Oct 2023 585th Buecherfresser 900 74 22 Nov 2023 585th anarconic 900 74 8 Dec 2023 585th AntoineBlondon 900 74 11 Dec 2023 585th kurkale6ka 900 74 20 Dec 2023 585th Dataen 900 74 10 Jan 2024 585th Anonymousellama21 900 74 14 Mar 2024 585th Bmrl7 900 74 23 Mar 2024 585th cefqrn 900 74 26 May 2024 585th drochom 900 74 18 Jun 2024 585th hiichbindermax 900 74 22 Jun 2024 585th wuzekai518 900 74 9 Jul 2024 585th madex 🇩🇪 900 74 9 Jul 2024 585th cykim8811 900 74 11 Jul 2024 585th imelxr 🇮🇱 900 74 17 Aug 2024 585th EnTerr 900 74 25 Aug 2024 585th Mabeloid 🇳🇴 900 74 1 Sep 2024 585th madeforlosers 900 74 5 Sep 2024 585th LostSyntax21 🇬🇧 900 74 10 Sep 2024 585th Deedogg 900 74 11 Sep 2024 585th MassimoParisi 900 74 18 Sep 2024 585th cdesodt 900 74 10 Oct 2024 585th lifthrasiir 🇰🇷 900 74 13 Nov 2024 585th agreegious 900 74 17 Nov 2024 585th Stockoh 🇫🇷 900 74 17 Nov 2024 585th Andrey135296 900 74 24 Nov 2024 585th TralfamadorianComedian 900 74 6 Dec 2024 585th bltnppcnt 900 74 3 Jan 2025 585th ZorblaxV 900 74 12 Jan 2025 585th yokasuretsu 900 74 13 Jan 2025 585th Artemis21 🇬🇧 900 74 17 Jan 2025 585th gdpr777 900 74 10 Feb 2025 585th Pyroan 900 74 27 Mar 2025 Prev 601–675 of 3,164 Next