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 545th snoozingnewt 🇺🇸 900 74 23 Sep 2023 545th lambda-abstraction 900 74 21 Oct 2023 545th levavft 900 74 26 Oct 2023 545th Buecherfresser 900 74 22 Nov 2023 545th anarconic 900 74 8 Dec 2023 545th AntoineBlondon 900 74 11 Dec 2023 545th kurkale6ka 900 74 20 Dec 2023 545th Dataen 900 74 10 Jan 2024 545th Anonymousellama21 900 74 14 Mar 2024 545th Bmrl7 900 74 23 Mar 2024 545th cefqrn 900 74 26 May 2024 545th drochom 900 74 18 Jun 2024 545th hiichbindermax 900 74 22 Jun 2024 545th wuzekai518 900 74 9 Jul 2024 545th madex 🇩🇪 900 74 9 Jul 2024 545th cykim8811 900 74 11 Jul 2024 545th imelxr 🇮🇱 900 74 17 Aug 2024 545th EnTerr 900 74 25 Aug 2024 545th Mabeloid 🇳🇴 900 74 1 Sep 2024 545th madeforlosers 900 74 5 Sep 2024 545th LostSyntax21 🇬🇧 900 74 10 Sep 2024 545th Deedogg 900 74 11 Sep 2024 545th MassimoParisi 900 74 18 Sep 2024 545th cdesodt 900 74 10 Oct 2024 545th lifthrasiir 🇰🇷 900 74 13 Nov 2024 545th agreegious 900 74 17 Nov 2024 545th Stockoh 🇫🇷 900 74 17 Nov 2024 545th Andrey135296 900 74 24 Nov 2024 545th TralfamadorianComedian 900 74 6 Dec 2024 545th bltnppcnt 900 74 3 Jan 2025 545th ZorblaxV 900 74 12 Jan 2025 545th yokasuretsu 900 74 13 Jan 2025 545th Artemis21 🇬🇧 900 74 17 Jan 2025 545th gdpr777 900 74 10 Feb 2025 545th Pyroan 900 74 27 Mar 2025 545th FEZfan 🇦🇺 900 74 19 Apr 2025 545th Squimbletin 900 74 19 Apr 2025 545th Kowalskiexe 🇵🇱 900 74 19 Apr 2025 545th Dandandooo 900 74 23 Apr 2025 545th khangtm123 900 74 4 May 2025 545th 40fied4t 900 74 6 May 2025 545th keelimeguy 🇺🇸 900 74 23 days ago 545th TheZwierzLF 🇵🇱 900 74 15 days ago 545th kbeat 🇰🇿 900 74 15 days ago 545th LvLError 900 74 7 days ago 545th Lv0Sys 🇵🇱 900 74 7 days ago 545th ffelixm 900 74 2 days ago 648th edsrzf 🇳🇿 900 83 14 Jan 2025 648th kg583 🇺🇸 900 83 14 Feb 2025 650th SirBogman 🇺🇸 899 50 5 May 2022 650th nwellnhof 🇩🇪 899 50 3 Jun 2022 650th Lydxn 🇨🇦 899 50 15 Aug 2022 650th bitsandbeyond 🇳🇱 899 50 9 Aug 2024 650th Steffan153 🇫🇮 899 50 9 Aug 2024 650th DialFrost 🇸🇬 899 50 7 Apr 2025 656th Steffan153 🇫🇮 899 82 1 Apr 2023 656th sean-niemann 🇺🇸 899 82 12 Jul 2024 658th DialFrost 🇸🇬 897 29 15 Mar 2025 659th Lydxn 🇨🇦 897 48 5 May 2022 659th pabloferz 897 48 6 Mar 2024 661st GrayJoKing 🇦🇺 897 70 6 May 2022 661st saito-ta 🇯🇵 897 70 21 Dec 2023 661st ovs-code 🇩🇪 897 70 17 Feb 2024 664th MichalMarsalek 🇨🇿 897 87 5 May 2022 664th Kloppermand 🇩🇰 897 87 7 Oct 2022 666th nwellnhof 🇩🇪 897 111 4 May 2022 666th emplv 🇱🇻 897 111 5 May 2022 666th Shanethegamer 🇺🇸 897 111 21 Nov 2023 669th Steffan153 🇫🇮 896 59 10 Aug 2024 669th rucin93 🇵🇱 896 59 13 Oct 2024 669th sean-niemann 🇺🇸 896 59 13 Oct 2024 669th lukegustafson 🇺🇸 896 59 24 Oct 2024 673rd DialFrost 🇸🇬 895 69 15 Jul 2024 674th edsrzf 🇳🇿 895 78 26 Oct 2024 675th SiestaGuru 895 131 9 Jan 2023 Prev 601–675 of 3,079 Next
