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 54th Steffan153 🇫🇮 Python 944 60 19 Dec 2022 54th SirFireball3521 Python 944 60 26 Jan 2023 54th 4atj Python 944 60 20 May 2023 54th Shanethegamer 🇺🇸 Python 944 60 25 May 2023 54th CornerMercury 🇬🇧 Python 944 60 19 Jun 2023 54th ndren Python 944 60 2 Aug 2023 54th kg583 🇺🇸 Python 944 60 14 Aug 2023 54th Just4FunCoder Python 944 60 17 Feb 2024 69th Lydxn 🇨🇦 C++ 943 89 6 May 2022 69th JayXon 🇺🇸 C++ 943 89 7 May 2022 69th nwellnhof 🇩🇪 C++ 943 89 5 Jun 2022 72nd Lydxn 🇨🇦 C# 940 82 6 May 2022 72nd JayXon 🇺🇸 C# 940 82 9 May 2022 74th SirBogman 🇺🇸 PowerShell 938 50 5 May 2022 74th nwellnhof 🇩🇪 PowerShell 938 50 3 Jun 2022 74th Lydxn 🇨🇦 PowerShell 938 50 15 Aug 2022 77th Lydxn 🇨🇦 PHP 938 59 6 May 2022 78th Lydxn 🇨🇦 Coconut 937 51 17 Jan 2024 79th Lydxn 🇨🇦 Haskell 936 64 1 Apr 2023 79th ovs-code 🇩🇪 Haskell 936 64 11 Dec 2023 81st primo-ppcg 🇹🇭 Perl 932 49 5 May 2022 81st Lydxn 🇨🇦 Perl 932 49 8 May 2022 83rd inventshah JavaScript 931 57 4 May 2022 83rd itsh01 JavaScript 931 57 17 May 2022 83rd Natanaelel 🇸🇪 JavaScript 931 57 16 Jun 2022 83rd Attero 🇸🇪 JavaScript 931 57 3 Aug 2022 83rd SirFireball3521 JavaScript 931 57 26 Jan 2023 83rd Kacarott 🇦🇺 JavaScript 931 57 24 Mar 2023 83rd nathanadams 🇳🇿 JavaScript 931 57 24 Apr 2023 90th Lydxn 🇨🇦 Java 931 125 6 May 2022 90th JayXon 🇺🇸 Java 931 125 9 May 2022 92nd JayXon 🇺🇸 Lua 930 69 17 Oct 2022 92nd Lydxn 🇨🇦 Lua 930 69 4 Feb 2023 94th JayXon 🇺🇸 Rust 930 88 17 Oct 2022 95th saito-ta 🇯🇵 Bash 929 49 13 May 2022 95th Lydxn 🇨🇦 Bash 929 49 28 May 2022 97th stefangimmillaro C# 929 83 4 May 2022 97th MeWhenI 🇻🇦 C# 929 83 4 May 2022 97th Irratix 🇳🇱 C# 929 83 4 May 2022 97th janbehrens 🇩🇪 C# 929 83 4 May 2022 97th m-tkach 🇺🇦 C# 929 83 4 May 2022 97th sean-niemann 🇺🇸 C# 929 83 4 May 2022 97th nwellnhof 🇩🇪 C# 929 83 4 May 2022 97th Shanethegamer 🇺🇸 C# 929 83 4 May 2022 97th ScottHamper C# 929 83 5 May 2022 97th Re-Adventures 🇮🇳 C# 929 83 5 May 2022 97th Romain-1 🇫🇷 C# 929 83 1 Jun 2022 97th Gaddy 🇫🇷 C# 929 83 1 Jun 2022 97th 78790709 C# 929 83 4 Sep 2022 97th tomtheisen 🇺🇸 C# 929 83 22 Dec 2022 97th Betuaredead C# 929 83 5 Jan 2023 97th annaproxy C# 929 83 7 Jan 2023 97th Yewzir 🇧🇪 C# 929 83 12 Feb 2023 97th btnlq C# 929 83 9 Mar 2023 97th Adix-null 🇱🇹 C# 929 83 17 May 2023 97th Matgc04 C# 929 83 19 May 2023 97th AdrienHache C# 929 83 8 Jun 2023 97th namelessiw C# 929 83 8 Jul 2023 97th gblikas C# 929 83 23 Jul 2023 97th KrausRaus 🇺🇸 C# 929 83 31 Jul 2023 Prev 61–120 of 2,261 Next