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 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 Bytes Time 82nd CornerMercury 🇬🇧 Python 948 70 19 Jun 2023 82nd ndren Python 948 70 2 Aug 2023 82nd bizy-coder Python 948 70 14 Aug 2023 82nd janbehrens 🇩🇪 Python 948 70 24 Nov 2023 82nd namelessiw Python 948 70 9 Jan 2024 82nd mathisfun271 Python 948 70 13 Feb 2024 82nd Just4FunCoder Python 948 70 17 Feb 2024 82nd ThijsLuttikhuis Python 948 70 3 Mar 2024 82nd elgan65536 Python 948 70 5 Mar 2024 82nd jtaxen Python 948 70 27 days ago 131st SirBogman 🇺🇸 PowerShell 947 50 5 May 2022 131st nwellnhof 🇩🇪 PowerShell 947 50 3 Jun 2022 131st Lydxn 🇨🇦 PowerShell 947 50 15 Aug 2022 134th Lydxn 🇨🇦 C++ 946 89 6 May 2022 134th JayXon 🇺🇸 C++ 946 89 7 May 2022 134th nwellnhof 🇩🇪 C++ 946 89 5 Jun 2022 137th Lydxn 🇨🇦 PHP 944 59 6 May 2022 138th Lydxn 🇨🇦 C# 944 82 6 May 2022 138th JayXon 🇺🇸 C# 944 82 9 May 2022 140th primo-ppcg 🇹🇭 Perl 942 49 5 May 2022 140th Lydxn 🇨🇦 Perl 942 49 8 May 2022 142nd Lydxn 🇨🇦 Haskell 942 64 1 Apr 2023 142nd ovs-code 🇩🇪 Haskell 942 64 11 Dec 2023 144th Lydxn 🇨🇦 Coconut 941 55 16 Jan 2024 144th ovs-code 🇩🇪 Coconut 941 55 16 Jan 2024 144th Steffan153 🇫🇮 Coconut 941 55 16 Jan 2024 144th kg583 🇺🇸 Coconut 941 55 16 Feb 2024 144th Shanethegamer 🇺🇸 Coconut 941 55 24 Mar 2024 149th saito-ta 🇯🇵 Bash 940 49 13 May 2022 149th Lydxn 🇨🇦 Bash 940 49 28 May 2022 151st lyphyser Assembly 938 46 13 Jan 2024 151st AdrienHache Assembly 938 46 19 days ago 153rd canissimia 🇦🇶 Ruby 936 50 5 May 2022 153rd ovs-code 🇩🇪 Ruby 936 50 7 May 2022 153rd sisyphus-ppcg 🇦🇺 Ruby 936 50 20 Feb 2023 156th JayXon 🇺🇸 Lua 936 69 17 Oct 2022 156th Lydxn 🇨🇦 Lua 936 69 4 Feb 2023 158th inventshah JavaScript 935 57 4 May 2022 158th itsh01 JavaScript 935 57 17 May 2022 158th Natanaelel 🇸🇪 JavaScript 935 57 16 Jun 2022 158th Attero 🇸🇪 JavaScript 935 57 3 Aug 2022 158th SirFireball3521 JavaScript 935 57 26 Jan 2023 158th Kacarott 🇦🇺 JavaScript 935 57 24 Mar 2023 158th nathanadams 🇳🇿 JavaScript 935 57 24 Apr 2023 165th TFeld00 🇩🇰 Python 935 71 17 May 2022 165th zacjl Python 935 71 14 Nov 2022 165th DialFrost 🇸🇬 Python 935 71 15 Nov 2022 165th StefanHabel 🇨🇦 Python 935 71 29 Nov 2022 165th sean-niemann 🇺🇸 Python 935 71 5 Jan 2023 165th nstearns96 🇬🇧 Python 935 71 11 Jan 2023 165th hallvabo 🇳🇴 Python 935 71 7 Feb 2023 172nd canissimia 🇦🇶 Crystal 934 51 6 May 2022 172nd Lydxn 🇨🇦 Crystal 934 51 6 May 2022 172nd primo-ppcg 🇹🇭 Crystal 934 51 6 May 2022 175th JayXon 🇺🇸 Rust 934 88 17 Oct 2022 176th primo-ppcg 🇹🇭 AWK 933 58 13 Nov 2022 176th clockworknazo AWK 933 58 15 Nov 2022 176th Lydxn 🇨🇦 AWK 933 58 7 Feb 2023 179th stefangimmillaro C# 933 83 4 May 2022 179th MeWhenI 🇻🇦 C# 933 83 4 May 2022 Prev 121–180 of 2,276 Next