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 181st primo-ppcg 🇹🇭 GolfScript 917 24 10 Dec 2022 182nd rhdqor213 C 917 67 24 Sep 2023 183rd MeWhenI 🇻🇦 Swift 917 68 23 Feb 2023 184th Luca2812 Java 916 127 12 Dec 2022 184th plastic-bottle Java 916 127 13 Sep 2023 184th h3ra993huskp Java 916 127 17 Sep 2023 184th tigerdan2 Java 916 127 19 Dec 2023 188th uiamn JavaScript 915 58 6 Sep 2022 188th 78790709 JavaScript 915 58 29 Sep 2022 188th alasdair-greenland JavaScript 915 58 13 Jan 2023 191st ovs-code 🇩🇪 Berry 915 60 9 Oct 2023 191st GrayJoKing 🇦🇺 Berry 915 60 11 Oct 2023 191st Lydxn 🇨🇦 Berry 915 60 11 Oct 2023 191st GolfingSuccess 🇬🇷 Berry 915 60 16 Nov 2023 191st Steffan153 🇫🇮 Berry 915 60 28 Jan 2024 191st JayXon 🇺🇸 Berry 915 60 29 Jan 2024 197th Lydxn 🇨🇦 Wren 915 69 12 Sep 2022 197th GrayJoKing 🇦🇺 Wren 915 69 12 Sep 2022 197th btnlq Wren 915 69 24 Sep 2022 197th JayXon 🇺🇸 Wren 915 69 26 Sep 2022 201st Lydxn 🇨🇦 Dart 915 70 17 Oct 2022 201st JayXon 🇺🇸 Dart 915 70 17 Oct 2022 203rd sisyphus-ppcg 🇦🇺 Perl 913 50 31 Jan 2023 204th shellbertt 🇨🇦 Python 913 62 4 May 2022 204th ZakkkkAttackkkk 🇵🇭 Python 913 62 5 May 2022 204th annaproxy Python 913 62 8 Jun 2022 204th bob-th Python 913 62 9 Jul 2022 204th btjones0 Python 913 62 15 Jul 2022 204th tri1212 🇻🇳 Python 913 62 18 Jul 2022 204th fredrik-bakke 🇳🇴 Python 913 62 5 Oct 2022 204th jakobkordez 🇸🇮 Python 913 62 19 Oct 2022 204th Fishron Python 913 62 29 Nov 2022 204th KatieLG 🇬🇧 Python 913 62 11 Dec 2022 204th ItsMeNoobieboy Python 913 62 20 Dec 2022 204th firegene 🇮🇪 Python 913 62 3 Jan 2023 204th packkill Python 913 62 13 Feb 2023 204th 2011-Chan-Ethan Python 913 62 9 Jul 2023 204th elgan65536 Python 913 62 18 Nov 2023 204th Dataen Python 913 62 16 Jan 2024 204th jatloe Python 913 62 8 Mar 2024 204th Yewzir 🇧🇪 Python 913 62 21 days ago 222nd Lydxn 🇨🇦 Go 913 107 6 May 2022 222nd JayXon 🇺🇸 Go 913 107 9 May 2022 224th Herbert00709 🇵🇱 C++ 912 92 17 Nov 2023 224th 4QT0R C++ 912 92 23 Nov 2023 226th nwellnhof 🇩🇪 Ruby 910 51 4 May 2022 226th primo-ppcg 🇹🇭 Ruby 910 51 6 May 2022 226th radarek 🇵🇱 Ruby 910 51 8 May 2022 226th janlelis Ruby 910 51 10 May 2022 226th Natanaelel 🇸🇪 Ruby 910 51 2 Jun 2022 226th Steffan153 🇫🇮 Ruby 910 51 17 Dec 2022 232nd Lydxn 🇨🇦 Rust 910 90 6 May 2022 233rd btnlq AWK 909 59 6 Nov 2022 233rd xsot 🇸🇬 AWK 909 59 29 Jul 2023 235th primo-ppcg 🇹🇭 PHP 907 61 6 May 2022 235th sisyphus-ppcg 🇦🇺 PHP 907 61 14 Jul 2022 237th Shanethegamer 🇺🇸 Haskell 907 66 4 May 2022 237th scpchicken 🇵🇼 Haskell 907 66 5 May 2022 237th sisyphus-ppcg 🇦🇺 Haskell 907 66 6 May 2022 237th Natanaelel 🇸🇪 Haskell 907 66 15 Jun 2022 Prev 181–240 of 2,261 Next