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) 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 Bytes Time 223rd dokutan Java 926 126 17 Mar 2024 242nd GrayJoKing 🇦🇺 Coconut 925 56 15 Jan 2024 242nd AlephSquirrel Coconut 925 56 21 Jan 2024 242nd JayXon 🇺🇸 Coconut 925 56 22 Jan 2024 245th MeWhenI 🇻🇦 Swift 925 68 23 Feb 2023 246th m-tkach 🇺🇦 C++ 925 91 5 May 2022 246th catfish000 C++ 925 91 4 Oct 2023 248th sisyphus-ppcg 🇦🇺 Perl 924 50 31 Jan 2023 249th ovs-code 🇩🇪 Berry 924 60 9 Oct 2023 249th GrayJoKing 🇦🇺 Berry 924 60 11 Oct 2023 249th Lydxn 🇨🇦 Berry 924 60 11 Oct 2023 249th GolfingSuccess 🇬🇷 Berry 924 60 16 Nov 2023 249th Steffan153 🇫🇮 Berry 924 60 28 Jan 2024 249th JayXon 🇺🇸 Berry 924 60 29 Jan 2024 255th Lydxn 🇨🇦 Wren 923 69 12 Sep 2022 255th GrayJoKing 🇦🇺 Wren 923 69 12 Sep 2022 255th btnlq Wren 923 69 24 Sep 2022 255th JayXon 🇺🇸 Wren 923 69 26 Sep 2022 259th Lydxn 🇨🇦 Dart 922 70 17 Oct 2022 259th JayXon 🇺🇸 Dart 922 70 17 Oct 2022 261st scpchicken 🇵🇼 Python 922 72 4 May 2022 261st sultan Python 922 72 6 Jun 2022 261st annaproxy Python 922 72 22 Aug 2022 261st defterade Python 922 72 22 Aug 2022 261st BlankSpruce Python 922 72 9 Sep 2022 261st ValentinCassayre Python 922 72 8 Oct 2022 261st commandblockguy 🇺🇸 Python 922 72 3 Nov 2022 261st mathb0y512 Python 922 72 1 Dec 2022 261st anter69 🇭🇺 Python 922 72 19 Dec 2022 261st NoahBolohan 🇨🇦 Python 922 72 28 Feb 2023 261st neel11235813 Python 922 72 8 Mar 2023 261st Kacarott 🇦🇺 Python 922 72 24 Mar 2023 261st Fracture17 Python 922 72 8 Apr 2023 261st ayushdewan Python 922 72 7 May 2023 261st PeterTillema 🇳🇱 Python 922 72 17 Oct 2023 261st Glinte Python 922 72 11 Dec 2023 261st dokutan Python 922 72 8 days ago 261st HumanoidCPU Python 922 72 18 hours ago 279th roavin C# 922 84 23 Jun 2022 279th tkr-sh 🇫🇷 C# 922 84 20 Aug 2022 279th Nickmiste C# 922 84 9 Nov 2022 279th Matgc04 C# 922 84 19 May 2023 279th postie77 C# 922 84 19 May 2023 284th Bubbler-4 K 921 33 6 May 2022 284th rak1507 🇬🇧 K 921 33 8 May 2022 284th ngn 🇧🇬 K 921 33 11 May 2022 287th rhdqor213 C 921 68 24 Sep 2023 288th uiamn JavaScript 919 58 6 Sep 2022 288th 78790709 JavaScript 919 58 29 Sep 2022 288th alasdair-greenland JavaScript 919 58 13 Jan 2023 291st Luca2812 Java 919 127 12 Dec 2022 291st plastic-bottle Java 919 127 13 Sep 2023 291st h3ra993huskp Java 919 127 17 Sep 2023 291st tigerdan2 Java 919 127 19 Dec 2023 295th nwellnhof 🇩🇪 Ruby 918 51 4 May 2022 295th primo-ppcg 🇹🇭 Ruby 918 51 6 May 2022 295th radarek 🇵🇱 Ruby 918 51 8 May 2022 295th janlelis Ruby 918 51 10 May 2022 295th Natanaelel 🇸🇪 Ruby 918 51 2 Jun 2022 295th Steffan153 🇫🇮 Ruby 918 51 17 Dec 2022 Prev 241–300 of 2,308 Next