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 brainfuck 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) 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 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 Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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) 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 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 Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Bytes Time 1st AlephSquirrel GolfScript 1,000 26 6 Jan 2023 2nd ovs-code 🇩🇪 K 980 31 8 Mar 2023 3rd Lydxn 🇨🇦 Python 976 68 5 May 2022 3rd GrayJoKing 🇦🇺 Python 976 68 15 Nov 2022 3rd Bubbler-4 Python 976 68 15 Nov 2022 3rd JayXon 🇺🇸 Python 976 68 7 Mar 2023 3rd Rubiksmath Python 976 68 14 Aug 2023 8th Bubbler-4 J 968 34 6 May 2022 8th ovs-code 🇩🇪 J 968 34 7 Mar 2023 10th Irratix 🇳🇱 JavaScript 968 55 4 May 2022 10th nwellnhof 🇩🇪 JavaScript 968 55 4 May 2022 10th m-tkach 🇺🇦 JavaScript 968 55 5 May 2022 10th Lydxn 🇨🇦 JavaScript 968 55 5 May 2022 10th JayXon 🇺🇸 JavaScript 968 55 5 May 2022 10th emplv 🇱🇻 JavaScript 968 55 5 May 2022 10th prplz 🇦🇺 JavaScript 968 55 5 May 2022 10th primo-ppcg 🇹🇭 JavaScript 968 55 5 May 2022 10th GrayJoKing 🇦🇺 JavaScript 968 55 6 May 2022 10th ovs-code 🇩🇪 JavaScript 968 55 6 May 2022 10th sisyphus-ppcg 🇦🇺 JavaScript 968 55 7 May 2022 10th pavelb JavaScript 968 55 8 Aug 2022 10th stefangimmillaro JavaScript 968 55 2 Oct 2022 10th MeWhenI 🇻🇦 JavaScript 968 55 2 Oct 2022 10th Steffan153 🇫🇮 JavaScript 968 55 12 Nov 2022 10th Bubbler-4 JavaScript 968 55 14 Nov 2022 10th lukegustafson 🇺🇸 JavaScript 968 55 14 Nov 2023 10th hexagon8899 JavaScript 968 55 17 Dec 2023 28th sisyphus-ppcg 🇦🇺 GolfScript 963 27 22 Jul 2022 28th saito-ta 🇯🇵 GolfScript 963 27 22 Jul 2022 28th MeWhenI 🇻🇦 GolfScript 963 27 22 Jul 2022 28th Lydxn 🇨🇦 GolfScript 963 27 28 Jul 2022 28th GrayJoKing 🇦🇺 GolfScript 963 27 31 Jul 2022 28th clockworknazo GolfScript 963 27 17 Aug 2022 28th primo-ppcg 🇹🇭 GolfScript 963 27 30 Sep 2022 28th JayXon 🇺🇸 GolfScript 963 27 23 Oct 2022 28th Steffan153 🇫🇮 GolfScript 963 27 15 Nov 2022 28th betaveros GolfScript 963 27 4 Jan 2023 28th ovs-code 🇩🇪 GolfScript 963 27 10 Feb 2023 28th neel11235813 GolfScript 963 27 16 Mar 2023 28th orthoplex 🇨🇽 GolfScript 963 27 5 Oct 2023 28th lynn GolfScript 963 27 16 Oct 2023 42nd Lydxn 🇨🇦 C 963 65 21 Dec 2023 43rd nwellnhof 🇩🇪 Python 962 69 4 May 2022 43rd m-tkach 🇺🇦 Python 962 69 4 May 2022 43rd GolfingSuccess 🇬🇷 Python 962 69 5 May 2022 43rd jared-hughes Python 962 69 5 May 2022 43rd ovs-code 🇩🇪 Python 962 69 5 May 2022 43rd btnlq Python 962 69 5 May 2022 43rd sisyphus-ppcg 🇦🇺 Python 962 69 6 May 2022 43rd lynn Python 962 69 22 Aug 2022 43rd Steffan153 🇫🇮 Python 962 69 15 Nov 2022 43rd AlexanderFair Python 962 69 19 Jul 2023 43rd pardouin 🇫🇷 Python 962 69 11 Nov 2023 43rd AlephSquirrel Python 962 69 30 Dec 2023 43rd kg583 🇺🇸 Python 962 69 28 Jan 2024 56th GrayJoKing 🇦🇺 ><> 956 38 5 May 2022 57th Lydxn 🇨🇦 Ruby 954 49 4 May 2022 57th JayXon 🇺🇸 Ruby 954 49 17 Oct 2022 57th GrayJoKing 🇦🇺 Ruby 954 49 15 Nov 2022 60th antimon2 🇯🇵 Julia 953 46 10 Sep 2022 1–60 of 2,219 Next