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 N Queens 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 N Queens 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 900th msbranicky Lua 792 81 10 Oct 2023 902nd passsy 🇩🇪 Dart 791 81 19 Nov 2022 903rd Shanethegamer 🇺🇸 OCaml 791 101 25 Dec 2022 903rd thizanne OCaml 791 101 27 Dec 2022 905th YouLookLikeYouNeedAMonkey C++ 791 106 14 Oct 2022 905th tvcv901 C++ 791 106 22 Mar 2023 907th MeWhenI 🇻🇦 TeX 791 148 29 Nov 2023 908th JustinHodge PHP 790 70 18 Aug 2022 908th KrausRaus 🇺🇸 PHP 790 70 7 Sep 2022 910th SirBogman 🇺🇸 COBOL 790 240 23 Nov 2022 911th nwellnhof 🇩🇪 J 789 41 5 May 2022 912th sean-niemann 🇺🇸 Wren 789 80 10 Sep 2022 913th ovs-code 🇩🇪 Tcl 789 84 25 Sep 2022 914th shellbertt 🇨🇦 C 788 78 4 May 2022 914th Heathcorp 🇦🇺 C 788 78 7 May 2022 914th Attero 🇸🇪 C 788 78 3 Aug 2022 914th ibexq C 788 78 29 Sep 2022 914th Re-Adventures 🇮🇳 C 788 78 7 Nov 2022 914th Betuaredead C 788 78 5 Jan 2023 914th User2654 C 788 78 8 Feb 2023 914th KenanHanke C 788 78 20 Feb 2023 914th mnbvczx 🇰🇷 C 788 78 12 Mar 2023 914th annaproxy C 788 78 4 Jun 2023 914th snoozingnewt 🇺🇸 C 788 78 23 Sep 2023 914th weliveinhell C 788 78 2 Oct 2023 914th DialFrost 🇸🇬 C 788 78 1 Nov 2023 914th ehulinsky 🇺🇸 C 788 78 16 Feb 2024 914th Luca2812 C 788 78 4 Mar 2024 914th 0xV0RT3X C 788 78 4 Mar 2024 930th Betuaredead Go 788 124 5 Jan 2023 931st KrausRaus 🇺🇸 Perl 787 58 8 Sep 2022 932nd rniii Ruby 787 59 26 Mar 2024 933rd aDwarfNamedUrist C# 787 98 30 Aug 2023 933rd Alex-Huggett 🇬🇧 C# 787 98 18 days ago 935th Z-snails Rust 787 104 27 Feb 2023 935th undersquire Rust 787 104 21 Jun 2023 935th StronkCheese 🇺🇸 Rust 787 104 7 Sep 2023 935th 77Tigers Rust 787 104 22 days ago 939th Natanaelel 🇸🇪 GolfScript 786 28 22 Jul 2022 939th SirBogman 🇺🇸 GolfScript 786 28 17 Sep 2022 941st scpchicken 🇵🇼 Python 786 72 4 May 2022 941st sultan Python 786 72 6 Jun 2022 941st defterade Python 786 72 22 Aug 2022 941st BlankSpruce Python 786 72 9 Sep 2022 941st ValentinCassayre Python 786 72 8 Oct 2022 941st mathb0y512 Python 786 72 1 Dec 2022 941st NoahBolohan 🇨🇦 Python 786 72 28 Feb 2023 941st Kacarott 🇦🇺 Python 786 72 24 Mar 2023 941st Fracture17 Python 786 72 8 Apr 2023 941st ayushdewan Python 786 72 7 May 2023 941st cingulataluke Python 786 72 27 Aug 2023 941st PeterTillema 🇳🇱 Python 786 72 17 Oct 2023 941st Glinte Python 786 72 11 Dec 2023 954th JStatnekov C++ 784 107 16 Oct 2022 955th DialFrost 🇸🇬 Coconut 783 61 21 Jan 2024 955th sean-niemann 🇺🇸 Coconut 783 61 23 Jan 2024 955th dokutan Coconut 783 61 3 days ago 958th MaxCastella 🇫🇷 PowerShell 782 60 29 Sep 2022 958th PowershellKnut 🇳🇴 PowerShell 782 60 31 Dec 2022 960th MeWhenI 🇻🇦 Lua 782 82 31 Dec 2022 Prev 901–960 of 2,260 Next