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 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 Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran 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 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 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 🇨🇦 53 (6) 12 3 2nd JayXon 🇺🇸 38 (5) 3 2 3rd GrayJoKing 🇦🇺 25 (7) 5 10 4th Steffan153 🇫🇮 22 (2) 8 10 5th ovs-code 🇩🇪 19 (4) 5 8 6th primo-ppcg 🇹🇭 16 (3) 3 2 7th MeWhenI 🇻🇦 10 (4) 14 9 8th Shanethegamer 🇺🇸 9 (2) 3 11 9th m-tkach 🇺🇦 8 (4) 0 4 10th sean-niemann 🇺🇸 7 (0) 3 8 11th nwellnhof 🇩🇪 7 (0) 3 4 12th canissimia 🇦🇶 6 (4) 0 0 13th GolfingSuccess 🇬🇷 6 (2) 0 0 14th pardouin 🇫🇷 6 (0) 1 0 15th Bubbler-4 5 (0) 0 2 16th lynn 4 (2) 0 6 17th rucin93 🇵🇱 4 (0) 1 0 18th xsot 🇸🇬 4 (0) 0 0 19th kg583 🇺🇸 3 (2) 1 2 20th lukegustafson 🇺🇸 3 (0) 1 0 21st saito-ta 🇯🇵 3 (0) 0 5 22nd AlephSquirrel 3 (0) 0 1 23rd Kacarott 🇦🇺 3 (0) 0 0 24th antimon2 🇯🇵 2 (2) 0 0 24th jared-hughes 2 (2) 0 0 24th marshallward 🇺🇸 2 (2) 0 0 27th khvdm 2 (1) 0 0 28th DialFrost 🇸🇬 2 (0) 3 5 29th emgordon154 2 (0) 2 2 29th emplv 🇱🇻 2 (0) 2 2 31st sisyphus-ppcg 🇦🇺 2 (0) 1 2 32nd stefangimmillaro 2 (0) 0 8 33rd annaproxy 2 (0) 0 4 33rd btnlq 2 (0) 0 4 33rd Irratix 🇳🇱 2 (0) 0 4 36th MichalMarsalek 🇨🇿 2 (0) 0 2 36th mousetail 🇳🇱 2 (0) 0 2 36th SirBogman 🇺🇸 2 (0) 0 2 39th clockworknazo 2 (0) 0 1 40th bitsandbeyond 🇳🇱 2 (0) 0 0 40th IanUtley 2 (0) 0 0 40th Liniarc 2 (0) 0 0 40th pavelb 2 (0) 0 0 40th prplz 🇦🇺 2 (0) 0 0 40th rhdqor213 2 (0) 0 0 40th Salutations45 2 (0) 0 0 40th trinityy-7 2 (0) 0 0 40th vlpx 🇫🇮 2 (0) 0 0 40th weeble 2 (0) 0 0 50th AdrienHache 🇫🇷 1 (0) 0 2 51st lyphyser 1 (0) 0 0 51st Rubiksmath 1 (0) 0 0 53rd Yewzir 🇧🇪 0 (0) 2 6 54th 2bular 0 (0) 2 0 54th angel-p57 🇯🇵 0 (0) 2 0 54th TheCod-r 🇦🇶 0 (0) 2 0 54th UnderKoen 🇳🇱 0 (0) 2 0 58th pabloferz 0 (0) 1 1 59th dokutan 0 (0) 0 5 60th 5quiwyrm 0 (0) 0 4 60th Betuaredead 0 (0) 0 4 60th duckyluuk 🇳🇱 0 (0) 0 4 60th janbehrens 🇩🇪 0 (0) 0 4 60th KrausRaus 🇺🇸 0 (0) 0 4 60th ScottHamper 0 (0) 0 4 66th edsrzf 🇳🇿 0 (0) 0 3 67th Adix-null 🇱🇹 0 (0) 0 2 67th andersk 🇺🇸 0 (0) 0 2 67th dvargas46 🇺🇸 0 (0) 0 2 67th eMGeeneer 0 (0) 0 2 67th FlorianCassayre 🇫🇷 0 (0) 0 2 67th FlyingPenguin223 0 (0) 0 2 67th Gaddy 🇫🇷 0 (0) 0 2 67th gblikas 0 (0) 0 2 67th inventshah 0 (0) 0 2 1–75 of 94 Next