Collatz in all languages in chars. 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) 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 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) 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 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 Chars Time 421st canissimia 🇦🇶 sed 879 110 20 Feb 2023 422nd canissimia 🇦🇶 brainfuck 879 204 25 Nov 2023 423rd Steffan153 🇫🇮 Perl 878 52 31 Dec 2022 424th GrayJoKing 🇦🇺 C 878 70 6 May 2022 424th ovs-code 🇩🇪 C 878 70 8 Oct 2023 424th catfish000 C 878 70 8 Oct 2023 424th saito-ta 🇯🇵 C 878 70 21 Dec 2023 428th GrayJoKing 🇦🇺 OCaml 878 91 19 Jan 2023 429th JayXon 🇺🇸 Zig 878 150 8 Sep 2023 430th Shanethegamer 🇺🇸 Clojure 877 81 19 Dec 2023 431st sisyphus-ppcg 🇦🇺 Raku 876 40 31 Jan 2023 432nd primo-ppcg 🇹🇭 Bash 876 52 5 May 2022 432nd dvargas46 🇺🇸 Bash 876 52 22 Dec 2022 434th stefangimmillaro Ruby 876 53 2 Oct 2022 434th Haksell 🇦🇶 Ruby 876 53 22 Feb 2023 436th Lydxn 🇨🇦 Forth 876 72 16 Jul 2023 437th SiestaGuru C# 876 88 9 Jan 2023 438th MeWhenI 🇻🇦 V 875 72 29 May 2023 439th stackofbears J 874 37 2 Dec 2023 440th btnlq Rockstar 874 91 26 Mar 2024 441st Irratix 🇳🇱 C++ 874 96 4 May 2022 441st MeWhenI 🇻🇦 C++ 874 96 1 Jun 2022 441st janbehrens 🇩🇪 C++ 874 96 21 Apr 2023 441st Shanethegamer 🇺🇸 C++ 874 96 15 May 2023 441st tailorspy C++ 874 96 1 Nov 2023 441st Yewzir 🇧🇪 C++ 874 96 11 Nov 2023 441st MateuszPietrzak 🇵🇱 C++ 874 96 18 Nov 2023 441st kkoenig C++ 874 96 21 Dec 2023 449th ovs-code 🇩🇪 Zig 872 151 9 Sep 2023 450th yzhs 🇩🇪 Python 871 65 16 Jun 2022 450th rollershutter Python 871 65 9 Sep 2022 450th bac0id Python 871 65 26 Sep 2023 450th HumanoidCPU Python 871 65 19 Mar 2024 454th Steffan153 🇫🇮 Prolog 871 80 15 Nov 2022 455th nipzu Rust 871 94 17 May 2022 455th Natanaelel 🇸🇪 Rust 871 94 17 Jun 2022 455th nkoppel Rust 871 94 19 Oct 2022 455th ovs-code 🇩🇪 Rust 871 94 21 Jun 2023 455th mousetail 🇳🇱 Rust 871 94 12 Jan 2024 460th m-tkach 🇺🇦 Pascal 871 117 7 May 2022 460th Lydxn 🇨🇦 Pascal 871 117 7 May 2022 462nd c0d3-4-F00d 🇩🇪 JavaScript 870 61 6 May 2022 462nd jackkav JavaScript 870 61 26 Jun 2022 462nd TechNolaByte JavaScript 870 61 6 Jul 2022 462nd Heathcorp 🇦🇺 JavaScript 870 61 17 Jul 2022 462nd C0de5mith 🇺🇸 JavaScript 870 61 3 Aug 2022 462nd sebipopa 🇷🇴 JavaScript 870 61 18 Aug 2022 462nd moikaturns 🇬🇧 JavaScript 870 61 25 Sep 2022 462nd FlorianCassayre 🇫🇷 JavaScript 870 61 27 Sep 2022 462nd Mazn3k JavaScript 870 61 1 Feb 2023 462nd tvcv901 JavaScript 870 61 22 Mar 2023 462nd unfinishedprogram JavaScript 870 61 19 Jul 2023 462nd snoozingnewt 🇺🇸 JavaScript 870 61 23 Sep 2023 474th GrayJoKing 🇦🇺 Factor 870 78 20 Sep 2023 474th Kacarott 🇦🇺 Factor 870 78 7 Nov 2023 476th TaserTheFox 🇺🇸 PowerShell 869 54 31 May 2023 477th steffan-polygolf Nim 869 74 14 Feb 2024 478th m-tkach 🇺🇦 SQL 869 115 31 Mar 2023 479th HPWiz 🇬🇧 Julia 868 49 4 May 2022 479th JayXon 🇺🇸 Julia 868 49 5 May 2022 Prev 421–480 of 2,260 Next