Collatz in all languages. 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 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 ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 Rockstar 2 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 Rockstar 2 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 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 ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 🇨🇦 53 (6) 10 5 2nd JayXon 🇺🇸 38 (5) 3 0 3rd GrayJoKing 🇦🇺 25 (7) 5 8 4th Steffan153 🇫🇮 22 (2) 8 6 5th ovs-code 🇩🇪 19 (4) 5 7 6th primo-ppcg 🇹🇭 16 (3) 3 2 7th MeWhenI 🇻🇦 12 (4) 8 13 8th sean-niemann 🇺🇸 12 (0) 4 8 9th Shanethegamer 🇺🇸 9 (2) 5 9 10th m-tkach 🇺🇦 8 (4) 0 4 11th nwellnhof 🇩🇪 7 (0) 3 4 12th canissimia 🇦🇶 6 (4) 0 0 13th GolfingSuccess 🇬🇷 6 (0) 2 0 14th pardouin 🇫🇷 6 (0) 1 0 15th Bubbler-4 5 (0) 0 2 16th DialFrost 🇸🇬 4 (2) 1 7 17th lynn 4 (2) 0 4 18th rucin93 🇵🇱 4 (0) 1 0 19th xsot 🇸🇬 4 (0) 0 0 20th kg583 🇺🇸 3 (0) 3 0 21st lukegustafson 🇺🇸 3 (0) 1 0 22nd saito-ta 🇯🇵 3 (0) 0 5 23rd AlephSquirrel 3 (0) 0 1 24th Kacarott 🇦🇺 3 (0) 0 0 25th edsrzf 🇳🇿 2 (2) 2 2 26th antimon2 🇯🇵 2 (2) 0 0 26th jared-hughes 2 (2) 0 0 26th marshallward 🇺🇸 2 (2) 0 0 29th khvdm 2 (1) 0 0 30th emgordon154 2 (0) 2 4 31st emplv 🇱🇻 2 (0) 2 2 32nd sisyphus-ppcg 🇦🇺 2 (0) 1 2 33rd stefangimmillaro 2 (0) 0 10 34th annaproxy 2 (0) 0 4 34th btnlq 2 (0) 0 4 34th Irratix 🇳🇱 2 (0) 0 4 37th MichalMarsalek 🇨🇿 2 (0) 0 2 37th mousetail 🇳🇱 2 (0) 0 2 37th SirBogman 🇺🇸 2 (0) 0 2 40th clockworknazo 2 (0) 0 1 41st bitsandbeyond 🇳🇱 2 (0) 0 0 41st CLOStrophobic 🇮🇹 2 (0) 0 0 41st IanUtley 2 (0) 0 0 41st Liniarc 2 (0) 0 0 41st pavelb 2 (0) 0 0 41st prplz 🇦🇺 2 (0) 0 0 41st rhdqor213 2 (0) 0 0 41st Salutations45 2 (0) 0 0 41st trinityy-7 2 (0) 0 0 41st vlpx 🇫🇮 2 (0) 0 0 41st weeble 2 (0) 0 0 52nd AdrienHache 🇫🇷 1 (0) 0 2 53rd lyphyser 1 (0) 0 0 53rd Rubiksmath 1 (0) 0 0 55th Yewzir 🇧🇪 0 (0) 2 8 56th 2bular 0 (0) 2 0 56th angel-p57 🇯🇵 0 (0) 2 0 56th targrik 0 (0) 2 0 56th TheCod-r 🇦🇶 0 (0) 2 0 56th UnderKoen 🇳🇱 0 (0) 2 0 56th xnor-gate 0 (0) 2 0 62nd pabloferz 0 (0) 1 1 63rd 5quiwyrm 0 (0) 0 4 63rd Betuaredead 0 (0) 0 4 63rd dokutan 0 (0) 0 4 63rd janbehrens 🇩🇪 0 (0) 0 4 63rd KrausRaus 🇺🇸 0 (0) 0 4 63rd ScottHamper 0 (0) 0 4 69th Adix-null 🇱🇹 0 (0) 0 2 69th andersk 🇺🇸 0 (0) 0 2 69th duckyluuk 🇳🇱 0 (0) 0 2 69th dvargas46 🇺🇸 0 (0) 0 2 69th eMGeeneer 0 (0) 0 2 69th FlorianCassayre 🇫🇷 0 (0) 0 2 69th FlyingPenguin223 0 (0) 0 2 1–75 of 96 Next