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 Card Number Validation 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 Kaprekar Numbers 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 PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi 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 (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme 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++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme 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 Card Number Validation 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 Kaprekar Numbers 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 PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi 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 (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer 🥇 💎 🥈 🥉 1st Lydxn 🇨🇦 26 (2) 6 2 2nd JayXon 🇺🇸 19 (3) 1 2 3rd GrayJoKing 🇦🇺 13 (3) 3 5 4th ovs-code 🇩🇪 12 (3) 2 3 5th Steffan153 🇫🇮 11 (1) 4 7 6th primo-ppcg 🇹🇭 8 (2) 1 2 7th MeWhenI 🇻🇦 5 (2) 6 5 8th Shanethegamer 🇺🇸 5 (1) 1 5 9th m-tkach 🇺🇦 4 (2) 0 2 10th canissimia 🇦🇶 3 (2) 0 0 11th pardouin 🇫🇷 3 (1) 0 0 12th sean-niemann 🇺🇸 3 (0) 3 3 13th nwellnhof 🇩🇪 3 (0) 2 2 14th Bubbler-4 3 (0) 0 1 15th kg583 🇺🇸 2 (1) 0 1 16th rucin93 🇵🇱 2 (0) 1 0 17th AlephSquirrel 2 (0) 0 0 17th GolfingSuccess 🇬🇷 2 (0) 0 0 17th Kacarott 🇦🇺 2 (0) 0 0 17th xsot 🇸🇬 2 (0) 0 0 21st lynn 1 (1) 0 4 22nd antimon2 🇯🇵 1 (1) 0 0 22nd marshallward 🇺🇸 1 (1) 0 0 24th DialFrost 🇸🇬 1 (0) 2 2 25th emgordon154 1 (0) 2 1 26th stefangimmillaro 1 (0) 1 3 27th sisyphus-ppcg 🇦🇺 1 (0) 1 2 28th emplv 🇱🇻 1 (0) 1 1 29th lukegustafson 🇺🇸 1 (0) 1 0 30th annaproxy 1 (0) 0 2 30th btnlq 1 (0) 0 2 30th clockworknazo 1 (0) 0 2 30th Irratix 🇳🇱 1 (0) 0 2 30th saito-ta 🇯🇵 1 (0) 0 2 35th AdrienHache 1 (0) 0 1 35th MichalMarsalek 🇨🇿 1 (0) 0 1 35th mousetail 🇳🇱 1 (0) 0 1 35th SirBogman 🇺🇸 1 (0) 0 1 39th bitsandbeyond 🇳🇱 1 (0) 0 0 39th IanUtley 1 (0) 0 0 39th khvdm 1 (0) 0 0 39th lyphyser 1 (0) 0 0 39th pavelb 1 (0) 0 0 39th prplz 🇦🇺 1 (0) 0 0 39th rhdqor213 1 (0) 0 0 39th Rubiksmath 1 (0) 0 0 39th trinityy-7 1 (0) 0 0 39th vlpx 🇫🇮 1 (0) 0 0 49th Yewzir 🇧🇪 0 (0) 1 3 50th 2bular 0 (0) 1 0 50th angel-p57 🇯🇵 0 (0) 1 0 50th jared-hughes 0 (0) 1 0 50th pabloferz 0 (0) 1 0 50th TheCod-r 🇦🇶 0 (0) 1 0 50th UnderKoen 🇳🇱 0 (0) 1 0 56th 5quiwyrm 0 (0) 0 2 56th Betuaredead 0 (0) 0 2 56th dokutan 0 (0) 0 2 56th janbehrens 🇩🇪 0 (0) 0 2 56th KrausRaus 🇺🇸 0 (0) 0 2 56th ScottHamper 0 (0) 0 2 62nd Adix-null 🇱🇹 0 (0) 0 1 62nd andersk 🇺🇸 0 (0) 0 1 62nd betaveros 0 (0) 0 1 62nd duckyluuk 🇳🇱 0 (0) 0 1 62nd dvargas46 🇺🇸 0 (0) 0 1 62nd eMGeeneer 0 (0) 0 1 62nd FlorianCassayre 🇫🇷 0 (0) 0 1 62nd FlyingPenguin223 0 (0) 0 1 62nd Gaddy 🇫🇷 0 (0) 0 1 62nd gblikas 0 (0) 0 1 62nd inventshah 0 (0) 0 1 62nd Jacob385 0 (0) 0 1 62nd klixel 0 (0) 0 1 62nd nai62 0 (0) 0 1 1–75 of 90 Next