Collatz in all languages in bytes. Ranked by golds, then diamonds, then silvers, then bronzes. 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 Billiards 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 Mandelbrot 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 Partition Numbers 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 ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe 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 Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin 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 Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin 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 Billiards 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 Mandelbrot 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 Partition Numbers 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 ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe 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 🇨🇦 0 2 25 3 4 2nd JayXon 🇺🇸 0 2 20 1 0 3rd GrayJoKing 🇦🇺 0 1 12 3 5 4th ovs-code 🇩🇪 0 3 11 3 2 5th Steffan153 🇫🇮 0 1 10 4 3 6th MeWhenI 🇻🇦 0 2 8 1 5 7th sean-niemann 🇺🇸 0 0 8 3 4 8th primo-ppcg 🇹🇭 0 1 7 2 1 9th Shanethegamer 🇺🇸 0 0 5 2 3 10th m-tkach 🇺🇦 0 2 4 0 2 11th DialFrost 🇸🇬 0 1 4 0 5 12th pardouin 🇫🇷 0 1 4 0 0 13th canissimia 🇦🇶 0 2 3 0 0 14th GolfingSuccess 🇬🇷 0 0 3 0 0 14th kg583 🇺🇸 0 0 3 0 0 16th lynn 0 1 2 0 1 17th nwellnhof 🇩🇪 0 0 2 2 2 18th emgordon154 0 0 2 1 1 19th rucin93 🇵🇱 0 0 2 1 0 19th xsot 🇸🇬 0 0 2 1 0 21st saito-ta 🇯🇵 0 0 2 0 2 22nd Bubbler-4 0 0 2 0 1 23rd AlephSquirrel 0 0 2 0 0 23rd Kacarott 🇦🇺 0 0 2 0 0 25th antimon2 🇯🇵 0 1 1 0 0 25th jared-hughes 0 1 1 0 0 25th marshallward 🇺🇸 0 1 1 0 0 28th emplv 🇱🇻 0 0 1 1 1 28th sisyphus-ppcg 🇦🇺 0 0 1 1 1 30th edsrzf 🇳🇿 0 0 1 1 0 30th lukegustafson 🇺🇸 0 0 1 1 0 30th targrik 0 0 1 1 0 33rd stefangimmillaro 0 0 1 0 4 34th btnlq 0 0 1 0 2 34th Irratix 🇳🇱 0 0 1 0 2 36th AdrienHache 🇫🇷 0 0 1 0 1 36th annaproxy 0 0 1 0 1 36th clockworknazo 0 0 1 0 1 36th CLOStrophobic 🇮🇹 0 0 1 0 1 36th MichalMarsalek 🇨🇿 0 0 1 0 1 36th mousetail 🇳🇱 0 0 1 0 1 42nd acotis 0 0 1 0 0 42nd bitsandbeyond 🇳🇱 0 0 1 0 0 42nd corbob 🇨🇦 0 0 1 0 0 42nd DelaneyJM 0 0 1 0 0 42nd helbling 🇨🇭 0 0 1 0 0 42nd IanUtley 0 0 1 0 0 42nd jborean93 0 0 1 0 0 42nd KevinMarquette 🇺🇸 0 0 1 0 0 42nd khvdm 0 0 1 0 0 42nd Liniarc 0 0 1 0 0 42nd lyphyser 0 0 1 0 0 42nd pavelb 0 0 1 0 0 42nd prplz 🇦🇺 0 0 1 0 0 42nd rhdqor213 0 0 1 0 0 42nd Rubiksmath 0 0 1 0 0 42nd Salutations45 0 0 1 0 0 42nd snyderek 🇺🇸 0 0 1 0 0 42nd trinityy-7 0 0 1 0 0 42nd vlpx 🇫🇮 0 0 1 0 0 42nd weeble 0 0 1 0 0 62nd Yewzir 🇧🇪 0 0 0 1 2 63rd 2bular 0 0 0 1 0 63rd angel-p57 🇯🇵 0 0 0 1 0 63rd Frowny 0 0 0 1 0 63rd pabloferz 0 0 0 1 0 63rd stackofbears 0 0 0 1 0 63rd TheCod-r 🇦🇶 0 0 0 1 0 63rd xnor-gate 0 0 0 1 0 70th 5quiwyrm 0 0 0 0 2 70th Betuaredead 0 0 0 0 2 70th dokutan 0 0 0 0 2 70th KrausRaus 🇺🇸 0 0 0 0 2 70th ScottHamper 0 0 0 0 2 75th Adix-null 🇱🇹 0 0 0 0 1 1–75 of 99 Next