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 All Bytes Chars Scoring All 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 🥇 💎 🥈 🥉 1st Lydxn 🇨🇦 28 (3) 6 0 2nd JayXon 🇺🇸 17 (2) 2 1 3rd GrayJoKing 🇦🇺 12 (2) 5 4 4th ovs-code 🇩🇪 9 (1) 4 3 5th primo-ppcg 🇹🇭 8 (2) 2 2 6th Steffan153 🇫🇮 8 (1) 5 6 7th MeWhenI 🇻🇦 4 (2) 6 5 8th m-tkach 🇺🇦 4 (2) 0 2 9th Shanethegamer 🇺🇸 4 (1) 1 6 10th canissimia 🇦🇶 3 (2) 0 0 11th nwellnhof 🇩🇪 3 (0) 2 2 12th Bubbler-4 3 (0) 1 0 13th btnlq 2 (1) 0 1 14th AlephSquirrel 2 (1) 0 0 15th lynn 1 (1) 1 2 16th antimon2 🇯🇵 1 (1) 0 0 16th jared-hughes 1 (1) 0 0 16th marshallward 🇺🇸 1 (1) 0 0 19th sisyphus-ppcg 🇦🇺 1 (0) 2 1 20th clockworknazo 1 (0) 1 1 20th emplv 🇱🇻 1 (0) 1 1 20th saito-ta 🇯🇵 1 (0) 1 1 23rd stefangimmillaro 1 (0) 0 3 24th annaproxy 1 (0) 0 2 24th Irratix 🇳🇱 1 (0) 0 2 26th AdrienHache 1 (0) 0 1 26th MichalMarsalek 🇨🇿 1 (0) 0 1 26th SirBogman 🇺🇸 1 (0) 0 1 29th GolfingSuccess 🇬🇷 1 (0) 0 0 29th hexagon8899 1 (0) 0 0 29th IanUtley 1 (0) 0 0 29th Kacarott 🇦🇺 1 (0) 0 0 29th kg583 🇺🇸 1 (0) 0 0 29th lukegustafson 🇺🇸 1 (0) 0 0 29th lyphyser 1 (0) 0 0 29th pavelb 1 (0) 0 0 29th prplz 🇦🇺 1 (0) 0 0 29th Rubiksmath 1 (0) 0 0 39th Yewzir 🇧🇪 0 (0) 1 3 40th angel-p57 🇯🇵 0 (0) 1 0 40th betaveros 0 (0) 1 0 40th neel11235813 0 (0) 1 0 40th ngn 🇧🇬 0 (0) 1 0 40th orthoplex 🇨🇽 0 (0) 1 0 40th pabloferz 0 (0) 1 0 40th rak1507 🇬🇧 0 (0) 1 0 40th rhdqor213 0 (0) 1 0 40th TheCod-r 🇦🇶 0 (0) 1 0 40th UnderKoen 🇳🇱 0 (0) 1 0 50th 78790709 0 (0) 0 2 50th Betuaredead 0 (0) 0 2 50th dokutan 0 (0) 0 2 50th janbehrens 🇩🇪 0 (0) 0 2 50th KrausRaus 🇺🇸 0 (0) 0 2 50th ScottHamper 0 (0) 0 2 50th sean-niemann 🇺🇸 0 (0) 0 2 57th Adix-null 🇱🇹 0 (0) 0 1 57th andersk 🇺🇸 0 (0) 0 1 57th DialFrost 🇸🇬 0 (0) 0 1 57th dvargas46 🇺🇸 0 (0) 0 1 1–60 of 79 Next